diff --git a/js/_1broker.js b/js/_1broker.js
index ef5632f36cb5..c314d2bf4959 100644
--- a/js/_1broker.js
+++ b/js/_1broker.js
@@ -60,7 +60,7 @@ module.exports = class _1broker extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchCategories () {
diff --git a/js/_1btcxe.js b/js/_1btcxe.js
index 0c350992353b..22931c2fed51 100644
--- a/js/_1btcxe.js
+++ b/js/_1btcxe.js
@@ -52,6 +52,6 @@ module.exports = class _1btcxe extends cryptocapital {
                 'BTC/TRY': { 'id': 'TRY', 'symbol': 'BTC/TRY', 'base': 'BTC', 'quote': 'TRY' },
                 'BTC/ZAR': { 'id': 'ZAR', 'symbol': 'BTC/ZAR', 'base': 'BTC', 'quote': 'ZAR' },
             },
-        })
+        });
     }
 }
diff --git a/js/acx.js b/js/acx.js
index 8a290055b28a..25eca9f8ce85 100644
--- a/js/acx.js
+++ b/js/acx.js
@@ -75,7 +75,7 @@ module.exports = class acx extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/allcoin.js b/js/allcoin.js
index acfff1e2be2b..60b405f78f8e 100644
--- a/js/allcoin.js
+++ b/js/allcoin.js
@@ -53,7 +53,7 @@ module.exports = class allcoin extends okcoin {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/anxpro.js b/js/anxpro.js
index 082f58d8855a..c64e1b9c50af 100644
--- a/js/anxpro.js
+++ b/js/anxpro.js
@@ -66,7 +66,7 @@ module.exports = class anxpro extends Exchange {
                 'STR/BTC': { 'id': 'STRBTC', 'symbol': 'STR/BTC', 'base': 'STR', 'quote': 'BTC' },
                 'XRP/BTC': { 'id': 'XRPBTC', 'symbol': 'XRP/BTC', 'base': 'XRP', 'quote': 'BTC' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/asia.js b/js/asia.js
index 515321df407d..b25e142b9f51 100644
--- a/js/asia.js
+++ b/js/asia.js
@@ -39,7 +39,7 @@ module.exports = class asia extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/binance.js b/js/binance.js
index f0a777f0f16f..f1226246925e 100644
--- a/js/binance.js
+++ b/js/binance.js
@@ -182,7 +182,7 @@ module.exports = class binance extends Exchange {
                 'STRAT/BTC': { 'id': 'STRATBTC', 'symbol': 'STRAT/BTC', 'base': 'STRAT', 'quote': 'BTC', 'lot': 0.01, 'limits': { 'amount': { 'min': 0.01, 'max': undefined }, 'price': { 'min': 0.000001, 'max': undefined }, 'cost': { 'min': 0.001, 'max': undefined }}},
                 'SNGLS/BTC': { 'id': 'SNGLSBTC', 'symbol': 'SNGLS/BTC', 'base': 'SNGLS', 'quote': 'BTC', 'lot': 1, 'limits': { 'amount': { 'min': 1, 'max': undefined }, 'price': { 'min': 0.00000001, 'max': undefined }, 'cost': { 'min': 0.001, 'max': undefined }}},
             },
-        })
+        });
     }
 
     calculateFee (symbol, type, side, amount, price, takerOrMaker = 'taker', params = {}) {
diff --git a/js/bit2c.js b/js/bit2c.js
index 3b49969331b6..bb9cb9a2f15a 100644
--- a/js/bit2c.js
+++ b/js/bit2c.js
@@ -56,7 +56,7 @@ module.exports = class bit2c extends Exchange {
                 'BCH/NIS': { 'id': 'BchNis', 'symbol': 'BCH/NIS', 'base': 'BCH', 'quote': 'NIS' },
                 'LTC/NIS': { 'id': 'LtcNis', 'symbol': 'LTC/NIS', 'base': 'LTC', 'quote': 'NIS' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/bitbay.js b/js/bitbay.js
index 2476c011c45f..a79f1d68a6a7 100644
--- a/js/bitbay.js
+++ b/js/bitbay.js
@@ -71,7 +71,7 @@ module.exports = class bitbay extends Exchange {
                 'LSK/PLN': { 'id': 'LSKPLN', 'symbol': 'LSK/PLN', 'base': 'LSK', 'quote': 'PLN' },
                 'LSK/BTC': { 'id': 'LSKBTC', 'symbol': 'LSK/BTC', 'base': 'LSK', 'quote': 'BTC' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/bitcoincoid.js b/js/bitcoincoid.js
index af33eb490948..ce95a4ed03a0 100644
--- a/js/bitcoincoid.js
+++ b/js/bitcoincoid.js
@@ -63,7 +63,7 @@ module.exports = class bitcoincoid extends Exchange {
                 'XEM/BTC': { 'id': 'nem_btc', 'symbol': 'XEM/BTC', 'base': 'XEM', 'quote': 'BTC', 'baseId': 'nem', 'quoteId': 'btc' },
                 'XRP/BTC': { 'id': 'xrp_btc', 'symbol': 'XRP/BTC', 'base': 'XRP', 'quote': 'BTC', 'baseId': 'xrp', 'quoteId': 'btc' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/bitfinex.js b/js/bitfinex.js
index 6113a7ecd28d..aad6e7c746e8 100644
--- a/js/bitfinex.js
+++ b/js/bitfinex.js
@@ -106,7 +106,7 @@ module.exports = class bitfinex extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     commonCurrencyCode (currency) {
diff --git a/js/bitfinex2.js b/js/bitfinex2.js
index 0225c2e6db18..4500c26982b0 100644
--- a/js/bitfinex2.js
+++ b/js/bitfinex2.js
@@ -132,7 +132,7 @@ module.exports = class bitfinex2 extends bitfinex {
                 'ZEC/BTC': { 'id': 'tZECBTC', 'symbol': 'ZEC/BTC', 'base': 'ZEC', 'quote': 'BTC' },
                 'ZEC/USD': { 'id': 'tZECUSD', 'symbol': 'ZEC/USD', 'base': 'ZEC', 'quote': 'USD' },
             },
-        })
+        });
     }
 
     commonCurrencyCode (currency) {
diff --git a/js/bitflyer.js b/js/bitflyer.js
index e64118396268..408a2fbd518c 100644
--- a/js/bitflyer.js
+++ b/js/bitflyer.js
@@ -65,7 +65,7 @@ module.exports = class bitflyer extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/bithumb.js b/js/bithumb.js
index c67c014af0d3..17e894a971b1 100644
--- a/js/bithumb.js
+++ b/js/bithumb.js
@@ -68,7 +68,7 @@ module.exports = class bithumb extends Exchange {
                 'DASH/KRW': { 'id': 'DASH', 'symbol': 'DASH/KRW', 'base': 'DASH', 'quote': 'KRW' },
                 'QTUM/KRW': { 'id': 'QTUM', 'symbol': 'QTUM/KRW', 'base': 'QTUM', 'quote': 'KRW' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/bitlish.js b/js/bitlish.js
index 4f5065cc3a6b..fe3de5b842c9 100644
--- a/js/bitlish.js
+++ b/js/bitlish.js
@@ -75,7 +75,7 @@ module.exports = class bitlish extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     commonCurrencyCode (currency) {
diff --git a/js/bitmarket.js b/js/bitmarket.js
index 0ea2cdaff98c..151def418f0e 100644
--- a/js/bitmarket.js
+++ b/js/bitmarket.js
@@ -104,7 +104,7 @@ module.exports = class bitmarket extends Exchange {
                 'LiteMineX/BTC': { 'id': 'LiteMineXBTC', 'symbol': 'LiteMineX/BTC', 'base': 'LiteMineX', 'quote': 'BTC' },
                 'PlnX/BTC': { 'id': 'PlnxBTC', 'symbol': 'PlnX/BTC', 'base': 'PlnX', 'quote': 'BTC' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/bitmex.js b/js/bitmex.js
index 8c14f5a7a75e..92d7b536d5cf 100644
--- a/js/bitmex.js
+++ b/js/bitmex.js
@@ -120,7 +120,7 @@ module.exports = class bitmex extends Exchange {
                     ],
                 }
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/bitso.js b/js/bitso.js
index 980bbb80562d..cef453870a5f 100644
--- a/js/bitso.js
+++ b/js/bitso.js
@@ -71,7 +71,7 @@ module.exports = class bitso extends Exchange {
                     ],
                 }
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/bitstamp.js b/js/bitstamp.js
index 7c66b8c8cc8d..f85945d6cf65 100644
--- a/js/bitstamp.js
+++ b/js/bitstamp.js
@@ -84,7 +84,7 @@ module.exports = class bitstamp extends Exchange {
                 'ETH/EUR': { 'id': 'etheur', 'symbol': 'ETH/EUR', 'base': 'ETH', 'quote': 'EUR' },
                 'ETH/BTC': { 'id': 'ethbtc', 'symbol': 'ETH/BTC', 'base': 'ETH', 'quote': 'BTC' },
             },
-        })
+        });
     }
 
     async fetchOrderBook (symbol, params = {}) {
diff --git a/js/bitstamp1.js b/js/bitstamp1.js
index b2c9067da117..64c42a5361cd 100644
--- a/js/bitstamp1.js
+++ b/js/bitstamp1.js
@@ -66,7 +66,7 @@ module.exports = class bitstamp1 extends Exchange {
                 'ETH/EUR': { 'id': 'etheur', 'symbol': 'ETH/EUR', 'base': 'ETH', 'quote': 'EUR' },
                 'ETH/BTC': { 'id': 'ethbtc', 'symbol': 'ETH/BTC', 'base': 'ETH', 'quote': 'BTC' },
             },
-        })
+        });
     }
 
     async fetchOrderBook (symbol, params = {}) {
diff --git a/js/bittrex.js b/js/bittrex.js
index b961e7f661e0..cf685e7eeea5 100644
--- a/js/bittrex.js
+++ b/js/bittrex.js
@@ -99,7 +99,7 @@ module.exports = class bittrex extends Exchange {
                     'taker': 0.0025,
                 },
             },
-        })
+        });
     }
 
     costToPrecision (symbol, cost) {
diff --git a/js/bl3p.js b/js/bl3p.js
index 0b567cf20fbe..4297698ce950 100644
--- a/js/bl3p.js
+++ b/js/bl3p.js
@@ -60,7 +60,7 @@ module.exports = class bl3p extends Exchange {
                 'BTC/EUR': { 'id': 'BTCEUR', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR' },
                 // 'LTC/EUR': { 'id': 'LTCEUR', 'symbol': 'LTC/EUR', 'base': 'LTC', 'quote': 'EUR' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/bleutrade.js b/js/bleutrade.js
index ceb3d3dc1d18..e92946f6e419 100644
--- a/js/bleutrade.js
+++ b/js/bleutrade.js
@@ -28,7 +28,7 @@ module.exports = class bleutrade extends bittrex {
                 'www': 'https://bleutrade.com',
                 'doc': 'https://bleutrade.com/help/API',
             },
-        })
+        });
     }
 
     async fetchOrderBook (symbol, params = {}) {
diff --git a/js/blinktrade.js b/js/blinktrade.js
index 8ef738f38a24..8705825fe7f6 100644
--- a/js/blinktrade.js
+++ b/js/blinktrade.js
@@ -56,7 +56,7 @@ module.exports = class blinktrade extends Exchange {
                 'BTC/PKR': { 'id': 'BTCPKR', 'symbol': 'BTC/PKR', 'base': 'BTC', 'quote': 'PKR', 'brokerId': 8, 'broker': 'UrduBit' },
                 'BTC/CLP': { 'id': 'BTCCLP', 'symbol': 'BTC/CLP', 'base': 'BTC', 'quote': 'CLP', 'brokerId': 9, 'broker': 'ChileBit' },
             },
-        })
+        });
     }
 
     fetchBalance (params = {}) {
diff --git a/js/btcbox.js b/js/btcbox.js
index 1ceede005165..d08083550838 100644
--- a/js/btcbox.js
+++ b/js/btcbox.js
@@ -26,6 +26,6 @@ module.exports = class btcbox extends asia {
             'markets': {
                 'BTC/JPY': { 'id': 'BTC/JPY', 'symbol': 'BTC/JPY', 'base': 'BTC', 'quote': 'JPY' },
             },
-        })
+        });
     }
 }
diff --git a/js/btcchina.js b/js/btcchina.js
index e92715981bda..7d7db1d92f45 100644
--- a/js/btcchina.js
+++ b/js/btcchina.js
@@ -82,7 +82,7 @@ module.exports = class btcchina extends Exchange {
                 'BCH/CNY': { 'id': 'bcccny', 'symbol': 'BCH/CNY', 'base': 'BCH', 'quote': 'CNY', 'api': 'plus', 'plus': true },
                 'ETH/CNY': { 'id': 'ethcny', 'symbol': 'ETH/CNY', 'base': 'ETH', 'quote': 'CNY', 'api': 'plus', 'plus': true },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/btce.js b/js/btce.js
index 07a59a01b8eb..0ecbcb015254 100644
--- a/js/btce.js
+++ b/js/btce.js
@@ -46,7 +46,7 @@ module.exports = class btce extends Exchange {
                     ],
                 },
             }
-        })
+        });
     }
 
     calculateFee (symbol, type, side, amount, price, takerOrMaker = 'taker', params = {}) {
diff --git a/js/btcexchange.js b/js/btcexchange.js
index 8dbc94fcde5f..16853dc94cee 100644
--- a/js/btcexchange.js
+++ b/js/btcexchange.js
@@ -24,6 +24,6 @@ module.exports = class btcexchange extends btctrader {
             'markets': {
                 'BTC/PHP': { 'id': 'BTC/PHP', 'symbol': 'BTC/PHP', 'base': 'BTC', 'quote': 'PHP' },
             },
-        }
-    })
+        });
+    }
 }
diff --git a/js/btcmarkets.js b/js/btcmarkets.js
index 4f4e91adfc02..4558337598d6 100644
--- a/js/btcmarkets.js
+++ b/js/btcmarkets.js
@@ -61,7 +61,7 @@ module.exports = class btcmarkets extends Exchange {
                 'XRP/BTC': { 'id': 'XRP/BTC', 'symbol': 'XRP/BTC', 'base': 'XRP', 'quote': 'BTC' },
                 'BCH/BTC': { 'id': 'BCH/BTC', 'symbol': 'BCH/BTC', 'base': 'BCH', 'quote': 'BTC' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/btctrader.js b/js/btctrader.js
index 21fcbb27dc19..961a1be0a576 100644
--- a/js/btctrader.js
+++ b/js/btctrader.js
@@ -48,7 +48,7 @@ module.exports = class btctrader extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/btctradeua.js b/js/btctradeua.js
index 82989156d875..2782651b65bc 100644
--- a/js/btctradeua.js
+++ b/js/btctradeua.js
@@ -66,7 +66,7 @@ module.exports = class btctradeua extends Exchange {
                     'taker': 0.1 / 100,
                 },
             },
-        })
+        });
     }
 
     signIn () {
diff --git a/js/btcturk.js b/js/btcturk.js
index 2fe06c51c00e..79e4cb5cdda5 100644
--- a/js/btcturk.js
+++ b/js/btcturk.js
@@ -26,6 +26,6 @@ module.exports = class btcturk extends btctrader {
                 'ETH/TRY': { 'id': 'ETHTRY', 'symbol': 'ETH/TRY', 'base': 'ETH', 'quote': 'TRY' },
                 'ETH/BTC': { 'id': 'ETHBTC', 'symbol': 'ETH/BTC', 'base': 'ETH', 'quote': 'BTC' },
             },
-        })
+        });
     }
 }
diff --git a/js/btcx.js b/js/btcx.js
index ea0a10d69caa..ba9090aa2727 100644
--- a/js/btcx.js
+++ b/js/btcx.js
@@ -47,7 +47,7 @@ module.exports = class btcx extends Exchange {
                 'BTC/USD': { 'id': 'btc/usd', 'symbol': 'BTC/USD', 'base': 'BTC', 'quote': 'USD' },
                 'BTC/EUR': { 'id': 'btc/eur', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/bter.js b/js/bter.js
index f1be46802572..078349b9c851 100644
--- a/js/bter.js
+++ b/js/bter.js
@@ -58,7 +58,7 @@ module.exports = class bter extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/bxinth.js b/js/bxinth.js
index f836fbef9dd4..0e72d87264af 100644
--- a/js/bxinth.js
+++ b/js/bxinth.js
@@ -60,7 +60,7 @@ module.exports = class bxinth extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/ccex.js b/js/ccex.js
index 1c3c6c44f637..d66e02594a71 100644
--- a/js/ccex.js
+++ b/js/ccex.js
@@ -60,7 +60,7 @@ module.exports = class ccex extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     commonCurrencyCode (currency) {
diff --git a/js/cex.js b/js/cex.js
index 8c5981ee20a3..6a1d824c2e9a 100644
--- a/js/cex.js
+++ b/js/cex.js
@@ -72,7 +72,7 @@ module.exports = class cex extends Exchange {
                     'taker': 0.2 / 100,
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/chbtc.js b/js/chbtc.js
index 488dab7664f6..93cf28e83fe3 100644
--- a/js/chbtc.js
+++ b/js/chbtc.js
@@ -67,7 +67,7 @@ module.exports = class chbtc extends Exchange {
                 'HSR/CNY': { 'id': 'hsr_cny', 'symbol': 'HSR/CNY', 'base': 'HSR', 'quote': 'CNY' },
                 'QTUM/CNY': { 'id': 'qtum_cny', 'symbol': 'QTUM/CNY', 'base': 'QTUM', 'quote': 'CNY' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/chilebit.js b/js/chilebit.js
index e2fe36b0b810..0b64399d71f3 100644
--- a/js/chilebit.js
+++ b/js/chilebit.js
@@ -27,6 +27,6 @@ module.exports = class chilebit extends blinktrade {
             'markets': {
                 'BTC/CLP': { 'id': 'BTCCLP', 'symbol': 'BTC/CLP', 'base': 'BTC', 'quote': 'CLP', 'brokerId': 9, 'broker': 'ChileBit' },
             },
-        })
+        });
     }
 }
diff --git a/js/coincheck.js b/js/coincheck.js
index 316764ecfeb4..25d49c869f1b 100644
--- a/js/coincheck.js
+++ b/js/coincheck.js
@@ -91,7 +91,7 @@ module.exports = class coincheck extends Exchange {
                 // 'LTC/BTC': { 'id': 'ltc_btc', 'symbol': 'LTC/BTC', 'base': 'LTC', 'quote': 'BTC' },
                 // 'DASH/BTC': { 'id': 'dash_btc', 'symbol': 'DASH/BTC', 'base': 'DASH', 'quote': 'BTC' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/coinfloor.js b/js/coinfloor.js
index 28ccc30c43de..93059e5cb81c 100644
--- a/js/coinfloor.js
+++ b/js/coinfloor.js
@@ -55,7 +55,7 @@ module.exports = class coinfloor extends Exchange {
                 'BTC/PLN': { 'id': 'XBT/PLN', 'symbol': 'BTC/PLN', 'base': 'BTC', 'quote': 'PLN' },
                 'BCH/GBP': { 'id': 'BCH/GBP', 'symbol': 'BCH/GBP', 'base': 'BCH', 'quote': 'GBP' },
             },
-        })
+        });
     }
 
     fetchBalance (params = {}) {
diff --git a/js/coingi.js b/js/coingi.js
index 005b5e638782..8fcf4fd2fdf0 100644
--- a/js/coingi.js
+++ b/js/coingi.js
@@ -51,7 +51,7 @@ module.exports = class coingi extends Exchange {
                 'NMC/BTC': { 'id': 'nmc-btc', 'symbol': 'NMC/BTC', 'base': 'NMC', 'quote': 'BTC' },
                 'DASH/BTC': { 'id': 'dash-btc', 'symbol': 'DASH/BTC', 'base': 'DASH', 'quote': 'BTC' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/coinmarketcap.js b/js/coinmarketcap.js
index 64403462b294..4a8aa35f9b31 100644
--- a/js/coinmarketcap.js
+++ b/js/coinmarketcap.js
@@ -56,7 +56,7 @@ module.exports = class coinmarketcap extends Exchange {
                 'RUB',
                 'USD',
             ],
-        })
+        });
     }
 
     async fetchOrderBook (symbol, params = {}) {
diff --git a/js/coinmate.js b/js/coinmate.js
index 5e31025e98c0..3e6fe0c3d51a 100644
--- a/js/coinmate.js
+++ b/js/coinmate.js
@@ -56,7 +56,7 @@ module.exports = class coinmate extends Exchange {
                 'BTC/EUR': { 'id': 'BTC_EUR', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR' },
                 'BTC/CZK': { 'id': 'BTC_CZK', 'symbol': 'BTC/CZK', 'base': 'BTC', 'quote': 'CZK' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/coinsecure.js b/js/coinsecure.js
index f9ef9d19f990..5a8648eef873 100644
--- a/js/coinsecure.js
+++ b/js/coinsecure.js
@@ -157,7 +157,7 @@ module.exports = class coinsecure extends Exchange {
             'markets': {
                 'BTC/INR': { 'id': 'BTC/INR', 'symbol': 'BTC/INR', 'base': 'BTC', 'quote': 'INR' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/coinspot.js b/js/coinspot.js
index 81b390abc136..abfb2223b313 100644
--- a/js/coinspot.js
+++ b/js/coinspot.js
@@ -53,7 +53,7 @@ module.exports = class coinspot extends Exchange {
                 'LTC/AUD': { 'id': 'LTC', 'symbol': 'LTC/AUD', 'base': 'LTC', 'quote': 'AUD' },
                 'DOGE/AUD': { 'id': 'DOGE', 'symbol': 'DOGE/AUD', 'base': 'DOGE', 'quote': 'AUD' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/cryptocapital.js b/js/cryptocapital.js
index 641ea10b3053..d1830408c89d 100644
--- a/js/cryptocapital.js
+++ b/js/cryptocapital.js
@@ -51,7 +51,7 @@ module.exports = class cryptocapital extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/cryptopia.js b/js/cryptopia.js
index c5dd8daf5cc1..0579507d2409 100644
--- a/js/cryptopia.js
+++ b/js/cryptopia.js
@@ -66,7 +66,7 @@ module.exports = class cryptopia extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     commonCurrencyCode (currency) {
diff --git a/js/dsx.js b/js/dsx.js
index 5905f164e7bb..2820638dd3af 100644
--- a/js/dsx.js
+++ b/js/dsx.js
@@ -72,7 +72,7 @@ module.exports = class dsx extends btce {
                     ],
                 },
             },
-        })
+        });
     }
 
     getBaseQuoteFromMarketId (id) {
diff --git a/js/exmo.js b/js/exmo.js
index 62c3f66a5af5..ecc7d5aed086 100644
--- a/js/exmo.js
+++ b/js/exmo.js
@@ -57,7 +57,7 @@ module.exports = class exmo extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/flowbtc.js b/js/flowbtc.js
index fddf82e7ae23..3eacb97a1c37 100644
--- a/js/flowbtc.js
+++ b/js/flowbtc.js
@@ -52,7 +52,7 @@ module.exports = class flowbtc extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/foxbit.js b/js/foxbit.js
index 11e927820cd5..79c5e647fa11 100644
--- a/js/foxbit.js
+++ b/js/foxbit.js
@@ -27,6 +27,6 @@ module.exports = class foxbit extends blinktrade {
             'markets': {
                 'BTC/BRL': { 'id': 'BTCBRL', 'symbol': 'BTC/BRL', 'base': 'BTC', 'quote': 'BRL', 'brokerId': 4, 'broker': 'FoxBit' },
             }
-        })
+        });
     }
 }
diff --git a/js/fyb.js b/js/fyb.js
index 415813417f62..56aa03ede564 100644
--- a/js/fyb.js
+++ b/js/fyb.js
@@ -33,7 +33,7 @@ module.exports = class fyb extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/fybse.js b/js/fybse.js
index 535ffa1f5149..610843e6b4d1 100644
--- a/js/fybse.js
+++ b/js/fybse.js
@@ -23,6 +23,6 @@ module.exports = class fybse extends fyb {
             'markets': {
                 'BTC/SEK': { 'id': 'SEK', 'symbol': 'BTC/SEK', 'base': 'BTC', 'quote': 'SEK' },
             }
-        })
+        });
     }
 }
diff --git a/js/fybsg.js b/js/fybsg.js
index 3dd0d58166f7..ce738281271e 100644
--- a/js/fybsg.js
+++ b/js/fybsg.js
@@ -23,6 +23,6 @@ module.exports = class fybsg extends fyb {
             'markets': {
                 'BTC/SGD': { 'id': 'SGD', 'symbol': 'BTC/SGD', 'base': 'BTC', 'quote': 'SGD' },
             },
-        })
+        });
     }
 }
diff --git a/js/gatecoin.js b/js/gatecoin.js
index 87b8dcfe01cf..83ea3c72f8f4 100644
--- a/js/gatecoin.js
+++ b/js/gatecoin.js
@@ -176,7 +176,7 @@ module.exports = class gatecoin extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/gateio.js b/js/gateio.js
index 4122cebf1f7b..8dff8b42e6c5 100644
--- a/js/gateio.js
+++ b/js/gateio.js
@@ -24,6 +24,6 @@ module.exports = class gateio extends bter {
                 'www': 'https://gate.io/',
                 'doc': 'https://gate.io/api2',
             }
-        })
+        });
     }
 }
diff --git a/js/gdax.js b/js/gdax.js
index 212133d23bf9..26eaeb13037b 100644
--- a/js/gdax.js
+++ b/js/gdax.js
@@ -96,7 +96,7 @@ module.exports = class gdax extends Exchange {
                     'taker': 0.25 / 100,
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/gemini.js b/js/gemini.js
index cd424cd1fb11..53b363af3cf3 100644
--- a/js/gemini.js
+++ b/js/gemini.js
@@ -51,7 +51,7 @@ module.exports = class gemini extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/hitbtc.js b/js/hitbtc.js
index 73f2d6217034..cc5307195d60 100644
--- a/js/hitbtc.js
+++ b/js/hitbtc.js
@@ -74,7 +74,7 @@ module.exports = class hitbtc extends Exchange {
                     ],
                 }
             },
-        })
+        });
     }
 
     commonCurrencyCode (currency) {
diff --git a/js/hitbtc2.js b/js/hitbtc2.js
index 34b0cc002130..0555fe9f58b1 100644
--- a/js/hitbtc2.js
+++ b/js/hitbtc2.js
@@ -83,7 +83,7 @@ module.exports = class hitbtc2 extends hitbtc {
                     'taker': 0.1 / 100,
                 },
             }
-        })
+        });
     }
 
     commonCurrencyCode (currency) {
diff --git a/js/huobi.js b/js/huobi.js
index ebd797e50499..f949bf51e038 100644
--- a/js/huobi.js
+++ b/js/huobi.js
@@ -82,7 +82,7 @@ module.exports = class huobi extends Exchange {
                 'LTC/CNY': { 'id': 'ltc', 'symbol': 'LTC/CNY', 'base': 'LTC', 'quote': 'CNY', 'type': 'staticmarket', 'coinType': 2 },
                 // 'BTC/USD': { 'id': 'btc', 'symbol': 'BTC/USD', 'base': 'BTC', 'quote': 'USD', 'type': 'usdmarket',    'coinType': 1 },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/huobi1.js b/js/huobi1.js
index 59d7d84c6f61..c522bdc2b4e0 100644
--- a/js/huobi1.js
+++ b/js/huobi1.js
@@ -71,7 +71,7 @@ module.exports = class huobi1 extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/huobicny.js b/js/huobicny.js
index 5a8fa4cd6e2b..72f3a023f002 100644
--- a/js/huobicny.js
+++ b/js/huobicny.js
@@ -20,6 +20,6 @@ module.exports = class huobicny extends huobi1 {
                 'www': 'https://www.huobi.com',
                 'doc': 'https://github.com/huobiapi/API_Docs/wiki/REST_api_reference',
             }
-        })
+        });
     }
 }
diff --git a/js/huobipro.js b/js/huobipro.js
index aabf76eb8579..d2dec06822a8 100644
--- a/js/huobipro.js
+++ b/js/huobipro.js
@@ -20,6 +20,6 @@ module.exports = class huobipro extends huobi1 {
                 'www': 'https://www.huobi.pro',
                 'doc': 'https://github.com/huobiapi/API_Docs/wiki/REST_api_reference',
             },
-        })
+        });
     }
 }
diff --git a/js/independentreserve.js b/js/independentreserve.js
index 1ff9d6a22eed..d1327c7a2114 100644
--- a/js/independentreserve.js
+++ b/js/independentreserve.js
@@ -61,7 +61,7 @@ module.exports = class independentreserve extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/itbit.js b/js/itbit.js
index b74698019969..ae2f0414b69c 100644
--- a/js/itbit.js
+++ b/js/itbit.js
@@ -61,7 +61,7 @@ module.exports = class itbit extends Exchange {
                 'BTC/SGD': { 'id': 'XBTSGD', 'symbol': 'BTC/SGD', 'base': 'BTC', 'quote': 'SGD' },
                 'BTC/EUR': { 'id': 'XBTEUR', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR' },
             },
-        })
+        });
     }
 
     async fetchOrderBook (symbol, params = {}) {
diff --git a/js/jubi.js b/js/jubi.js
index b0f6af870c96..2e689ca76da6 100644
--- a/js/jubi.js
+++ b/js/jubi.js
@@ -23,7 +23,7 @@ module.exports = class jubi extends asia {
                 'www': 'https://www.jubi.com',
                 'doc': 'https://www.jubi.com/help/api.html',
             }
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/kraken.js b/js/kraken.js
index afb9cbe0027f..be26d1ab3a1d 100644
--- a/js/kraken.js
+++ b/js/kraken.js
@@ -84,7 +84,7 @@ module.exports = class kraken extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     costToPrecision (symbol, cost) {
diff --git a/js/kuna.js b/js/kuna.js
index 0deb84d54c14..53849159b87c 100644
--- a/js/kuna.js
+++ b/js/kuna.js
@@ -61,7 +61,7 @@ module.exports = class kuna extends acx {
                     'maker': 0.2 / 100,
                 },
             },
-        })
+        });
     }
 
     handleErrors (code, reason, url, method, headers, body) {
diff --git a/js/lakebtc.js b/js/lakebtc.js
index 01ae70ba25d2..4cde43410a15 100644
--- a/js/lakebtc.js
+++ b/js/lakebtc.js
@@ -46,7 +46,7 @@ module.exports = class lakebtc extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/liqui.js b/js/liqui.js
index 136446d1e6ca..b8bfb551fc5a 100644
--- a/js/liqui.js
+++ b/js/liqui.js
@@ -67,7 +67,7 @@ module.exports = class liqui extends btce {
                 },
                 'funding': 0.0,
             }
-        })
+        });
     }
 
     async withdraw (currency, amount, address, params = {}) {
diff --git a/js/livecoin.js b/js/livecoin.js
index 6284c01d4272..4a542c3d3c77 100644
--- a/js/livecoin.js
+++ b/js/livecoin.js
@@ -66,7 +66,7 @@ module.exports = class livecoin extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/luno.js b/js/luno.js
index a5ba4d263744..33fdc4b01803 100644
--- a/js/luno.js
+++ b/js/luno.js
@@ -71,7 +71,7 @@ module.exports = class luno extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/mercado.js b/js/mercado.js
index 52894e0e393b..e33af60f0de8 100644
--- a/js/mercado.js
+++ b/js/mercado.js
@@ -61,7 +61,7 @@ module.exports = class mercado extends Exchange {
                 'LTC/BRL': { 'id': 'BRLLTC', 'symbol': 'LTC/BRL', 'base': 'LTC', 'quote': 'BRL', 'suffix': 'Litecoin' },
                 'BCH/BRL': { 'id': 'BCHBTC', 'symbol': 'BCH/BRL', 'base': 'BCH', 'quote': 'BRL', 'suffix': 'BCash' },
             },
-        })
+        });
     }
 
     async fetchOrderBook (symbol, params = {}) {
diff --git a/js/mixcoins.js b/js/mixcoins.js
index 46d256de20c3..9986856bcf9d 100644
--- a/js/mixcoins.js
+++ b/js/mixcoins.js
@@ -50,7 +50,7 @@ module.exports = class mixcoins extends Exchange {
                 'BCH/USD': { 'id': 'bcc_usd', 'symbol': 'BCH/USD', 'base': 'BCH', 'quote': 'USD' },
                 'ETH/USD': { 'id': 'eth_usd', 'symbol': 'ETH/USD', 'base': 'ETH', 'quote': 'USD' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/nova.js b/js/nova.js
index 841ac03aab68..ff99befc5551 100644
--- a/js/nova.js
+++ b/js/nova.js
@@ -57,7 +57,7 @@ module.exports = class nova extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/okcoin.js b/js/okcoin.js
index eec772690c7e..7ee89f0ddb31 100644
--- a/js/okcoin.js
+++ b/js/okcoin.js
@@ -98,7 +98,7 @@ module.exports = class okcoin extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchOrderBook (symbol, params = {}) {
diff --git a/js/okcoincny.js b/js/okcoincny.js
index 2e3b056f6b93..4c398437e59f 100644
--- a/js/okcoincny.js
+++ b/js/okcoincny.js
@@ -31,6 +31,6 @@ module.exports = class okcoincny extends okcoin {
                 'ETC/CNY': { 'id': 'etc_cny', 'symbol': 'ETC/CNY', 'base': 'ETC', 'quote': 'CNY', 'type': 'spot', 'spot': true, 'future': false },
                 'BCH/CNY': { 'id': 'bcc_cny', 'symbol': 'BCH/CNY', 'base': 'BCH', 'quote': 'CNY', 'type': 'spot', 'spot': true, 'future': false },
             }
-        })
+        });
     }
 }
diff --git a/js/okcoinusd.js b/js/okcoinusd.js
index f0b21b8b89ea..40ee758871e7 100644
--- a/js/okcoinusd.js
+++ b/js/okcoinusd.js
@@ -33,6 +33,6 @@ module.exports = class okcoinusd extends okcoin {
                 'ETH/USD': { 'id': 'eth_usd', 'symbol': 'ETH/USD', 'base': 'ETH', 'quote': 'USD', 'type': 'spot', 'spot': true, 'future': false },
                 'ETC/USD': { 'id': 'etc_usd', 'symbol': 'ETC/USD', 'base': 'ETC', 'quote': 'USD', 'type': 'spot', 'spot': true, 'future': false },
             }
-        })
+        });
     }
 }
diff --git a/js/okex.js b/js/okex.js
index 04725780bb0d..461901f5f8ad 100644
--- a/js/okex.js
+++ b/js/okex.js
@@ -32,6 +32,6 @@ module.exports = class okex extends okcoin {
                 'ETC/BTC': { 'id': 'etc_btc', 'symbol': 'ETC/BTC', 'base': 'ETC', 'quote': 'BTC', 'type': 'spot', 'spot': true, 'future': false },
                 'BCH/BTC': { 'id': 'bcc_btc', 'symbol': 'BCH/BTC', 'base': 'BCH', 'quote': 'BTC', 'type': 'spot', 'spot': true, 'future': false },
             }
-        })
+        });
     }
 }
diff --git a/js/paymium.js b/js/paymium.js
index 62dfde12ce69..b2276188058e 100644
--- a/js/paymium.js
+++ b/js/paymium.js
@@ -63,7 +63,7 @@ module.exports = class paymium extends Exchange {
             'markets': {
                 'BTC/EUR': { 'id': 'eur', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/poloniex.js b/js/poloniex.js
index 1844e6dc35b1..aef8c838950d 100644
--- a/js/poloniex.js
+++ b/js/poloniex.js
@@ -115,7 +115,7 @@ module.exports = class poloniex extends Exchange {
                 'amount': 8,
                 'price': 8,
             },
-        })
+        });
     }
 
     calculateFee (symbol, type, side, amount, price, takerOrMaker = 'taker', params = {}) {
diff --git a/js/qryptos.js b/js/qryptos.js
index 87eb6222f894..732bd94f7a85 100644
--- a/js/qryptos.js
+++ b/js/qryptos.js
@@ -67,7 +67,7 @@ module.exports = class qryptos extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/quadrigacx.js b/js/quadrigacx.js
index c9cb8dfe40b3..13833f1cfa5d 100644
--- a/js/quadrigacx.js
+++ b/js/quadrigacx.js
@@ -53,7 +53,7 @@ module.exports = class quadrigacx extends Exchange {
                 'ETH/BTC': { 'id': 'eth_btc', 'symbol': 'ETH/BTC', 'base': 'ETH', 'quote': 'BTC' },
                 'ETH/CAD': { 'id': 'eth_cad', 'symbol': 'ETH/CAD', 'base': 'ETH', 'quote': 'CAD' },
             },
-        })
+        });
     }
 
     async fetchBalance (params = {}) {
diff --git a/js/quoine.js b/js/quoine.js
index 54d3e97ba306..bc039afc87cf 100644
--- a/js/quoine.js
+++ b/js/quoine.js
@@ -23,6 +23,6 @@ module.exports = class quoine extends qryptos {
                 'www': 'https://www.quoine.com',
                 'doc': 'https://developers.quoine.com',
             }
-        })
+        });
     }
 }
diff --git a/js/southxchange.js b/js/southxchange.js
index c0c3e3c4133a..e5406a5d6a7d 100644
--- a/js/southxchange.js
+++ b/js/southxchange.js
@@ -46,7 +46,7 @@ module.exports = class southxchange extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/surbitcoin.js b/js/surbitcoin.js
index d894c2c5e8b6..9324dd426324 100644
--- a/js/surbitcoin.js
+++ b/js/surbitcoin.js
@@ -27,6 +27,6 @@ module.exports = class surbitcoin extends blinktrade {
             'markets': {
                 'BTC/VEF': { 'id': 'BTCVEF', 'symbol': 'BTC/VEF', 'base': 'BTC', 'quote': 'VEF', 'brokerId': 1, 'broker': 'SurBitcoin' },
             }
-        })
+        });
     }
 }
diff --git a/js/therock.js b/js/therock.js
index af6f2be43283..9fdd552e2dd8 100644
--- a/js/therock.js
+++ b/js/therock.js
@@ -65,7 +65,7 @@ module.exports = class therock extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/tidex.js b/js/tidex.js
index 6345ec4b539e..74d636d75bf7 100644
--- a/js/tidex.js
+++ b/js/tidex.js
@@ -27,6 +27,6 @@ module.exports = class tidex extends btce {
                 'doc': 'https://tidex.com/public-api',
                 'fees': 'https://tidex.com/pairs-spec'
             }
-        })
+        });
     }
 }
diff --git a/js/urdubit.js b/js/urdubit.js
index 787323e1f96d..b6e288fe0ca4 100644
--- a/js/urdubit.js
+++ b/js/urdubit.js
@@ -27,6 +27,6 @@ module.exports = class urdubit extends blinktrade {
             'markets': {
                 'BTC/PKR': { 'id': 'BTCPKR', 'symbol': 'BTC/PKR', 'base': 'BTC', 'quote': 'PKR', 'brokerId': 8, 'broker': 'UrduBit' },
             }
-        })
+        });
     }
 }
diff --git a/js/vaultoro.js b/js/vaultoro.js
index 87bdffe30a5d..1783e8621ae0 100644
--- a/js/vaultoro.js
+++ b/js/vaultoro.js
@@ -52,7 +52,7 @@ module.exports = class vaultoro extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/vbtc.js b/js/vbtc.js
index 0c8f9c91dd5d..603a702e6619 100644
--- a/js/vbtc.js
+++ b/js/vbtc.js
@@ -27,6 +27,6 @@ module.exports = class vbtc extends blinktrade {
             'markets': {
                 'BTC/VND': { 'id': 'BTCVND', 'symbol': 'BTC/VND', 'base': 'BTC', 'quote': 'VND', 'brokerId': 3, 'broker': 'VBTC' },
             }
-        })
+        });
     }
 }
diff --git a/js/virwox.js b/js/virwox.js
index 1b24938302a6..a08eae07e0b4 100644
--- a/js/virwox.js
+++ b/js/virwox.js
@@ -71,7 +71,7 @@ module.exports = class virwox extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/wex.js b/js/wex.js
index f28785789a4a..7df933b232fe 100644
--- a/js/wex.js
+++ b/js/wex.js
@@ -53,7 +53,7 @@ module.exports = class wex extends btce {
                     ],
                 }
             }
-        })
+        });
     }
 
     parseTicker (ticker, market = undefined) {
diff --git a/js/xbtce.js b/js/xbtce.js
index ee96d3ffd925..cdf8f822aa87 100644
--- a/js/xbtce.js
+++ b/js/xbtce.js
@@ -96,7 +96,7 @@ module.exports = class xbtce extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/js/yobit.js b/js/yobit.js
index e68ef304b944..d82b34c43fad 100644
--- a/js/yobit.js
+++ b/js/yobit.js
@@ -55,7 +55,7 @@ module.exports = class yobit extends btce {
                 },
                 'funding': 0.0,
             }
-        })
+        });
     }
 
     commonCurrencyCode (currency) {
diff --git a/js/yunbi.js b/js/yunbi.js
index 9d9ec6fcf577..48b0637e6e34 100644
--- a/js/yunbi.js
+++ b/js/yunbi.js
@@ -75,6 +75,6 @@ module.exports = class yunbi extends acx {
                     ],
                 },
             }
-        })
+        });
     }
 }
diff --git a/js/zaif.js b/js/zaif.js
index 8d4d25289ffe..14f4194ba5c2 100644
--- a/js/zaif.js
+++ b/js/zaif.js
@@ -69,7 +69,7 @@ module.exports = class zaif extends Exchange {
                     ],
                 },
             },
-        })
+        });
     }
 
     async fetchMarkets () {
diff --git a/transpile.js b/transpile.js
index 16c716b72e33..9c81f235051d 100644
--- a/transpile.js
+++ b/transpile.js
@@ -1,6 +1,7 @@
 "use strict";
 
 const fs   = require ('fs')
+const path = require ('path')
 const log  = require ('ololog')
 const ansi = require ('ansicolor').nice
 
@@ -258,6 +259,12 @@ function addPHPClassDeclaration (array, className, baseClass) {
 
 //-----------------------------------------------------------------------------
 
+const python2Folder = './python/ccxt/exchanges/'
+const python3Folder = './python/ccxt/async/exchanges/'
+const phpFolder     = './php/'
+
+//-----------------------------------------------------------------------------
+
 function transpileDerivedExchangeClasses (sourceFolder) {
 
     fs.readdirSync (sourceFolder).filter (file => file.includes ('.js')).map (file => {
@@ -266,7 +273,7 @@ function transpileDerivedExchangeClasses (sourceFolder) {
 
         let exchangeClassDeclarationMatches = contents.match (/^module\.exports\s*=\s*class\s+([\S]+)\s+extends\s+([\S]+)\s+{([\s\S]+?)^}/m)
 
-        log.green (file, exchangeClassDeclarationMatches[3])
+        // log.green (file, exchangeClassDeclarationMatches[3])
 
         let className = exchangeClassDeclarationMatches[1]
         let baseClass = exchangeClassDeclarationMatches[2]
@@ -291,9 +298,15 @@ function transpileDerivedExchangeClasses (sourceFolder) {
             let methodSignatureRegex = /(async |)([\S]+)\s\(([^)]*)\)\s*{/ // signature line
             let matches = methodSignatureRegex.exec (signature)
 
-            log (part)
-            // async or not
-            let keyword = matches[1]
+            let keyword = ''
+            try {
+                // async or not
+                keyword = matches[1]
+
+            } catch (e) {
+                log.error (e, className, baseClass, signature)
+                process.exit ()
+            }
 
             // method name
             let method = matches[2]
@@ -392,20 +405,36 @@ function transpileDerivedExchangeClasses (sourceFolder) {
         // alltogether in PHP, Python 2 and 3
         python2 = python2.join ("\n")
         python3 = python3.join ("\n")
-        php = php.join ("\n")
+        php     = php.join     ("\n")
+
+        const python2Filename = python2Folder + className + '.py'
+        const python3Filename = python3Folder + className + '.py'
+        const phpFilename     = phpFolder     + className + '.php'
+
+        overwriteFile (python2Filename, python2)
+        overwriteFile (python3Filename, python3)
+        overwriteFile (phpFilename,     php)
 
-        log.magenta (python2)
-        log.cyan    (php)
+        // log.magenta (python2)
+        // log.cyan    (php)
 
-        process.exit (1)
+        // process.exit (1)
 
     })
 
-    process.exit ()
+    // process.exit ()
 }
 
+//-----------------------------------------------------------------------------
+
+createFolderRecursively (python2Folder)
+createFolderRecursively (python3Folder)
+createFolderRecursively (phpFolder)
+
 transpileDerivedExchangeClasses ('./js/')
 
+process.exit (1)
+
 //-----------------------------------------------------------------------------
 
 let ccxtjs = fs.readFileSync ('ccxt.js', 'utf8')
@@ -883,6 +912,38 @@ function copyFile (oldName, newName) {
 
 //-----------------------------------------------------------------------------
 
+function overwriteFile (filename, contents) {
+    log.cyan ('Overwriting → ' + filename.yellow)
+    fs.closeSync (fs.openSync (filename, 'a'));
+    fs.truncateSync (filename)
+    fs.writeFileSync (filename, contents)
+}
+
+//----------------------------------------------------------------------------
+
+function createFolder (folder) {
+    try {
+        fs.mkdirSync (folder)
+    } catch (err) {
+        if (err.code !== 'EEXIST') {
+            throw err
+        }
+    }
+}
+
+//-----------------------------------------------------------------------------
+
+function createFolderRecursively (folder) {
+
+    const parts = folder.split (path.sep)
+
+    for (let i = 1; i <= parts.length; i++) {
+        createFolder (path.join.apply (null, parts.slice (0, i)))
+    }
+}
+
+//-----------------------------------------------------------------------------
+
 function transpilePythonAsyncToSync (oldName, newName) {
 
     log.magenta ('Transpiling ' + oldName.yellow + ' → ' + newName.yellow)