diff --git a/bin/crypt.py b/bin/crypt.py
index a5405f18..38d1a2b4 100644
--- a/bin/crypt.py
+++ b/bin/crypt.py
@@ -74,8 +74,8 @@ def aes_decrypt(self, key, chunksize=64 * 1024):
     args = ap.parse_args()
     crypt = Crypt(args.infile, args.outfile)
     if args.decrypt:
-        crypt.aes_decrypt(args.key)
+        crypt.aes_decrypt(args.key.encode())
     else:
         nk = crypt.aes_encrypt(args.key)
         if args.key is None:
-            print("Key: %s" % nk)
+            print("Key: %s" % nk.decode())
diff --git a/bin/curl.py b/bin/curl.py
index e896b1f9..f10d7b17 100644
--- a/bin/curl.py
+++ b/bin/curl.py
@@ -6,15 +6,12 @@
 import argparse
 import requests
 
-try:
-    from urllib.parse import urlparse
-except ImportError:
-    from urlparse import urlparse
+from six.moves.urllib.parse import urlparse
 
 try:
     import clipboard
 except ImportError:
-    pass
+    clipboard = None
 
 
 def main(args):
@@ -27,6 +24,12 @@ def main(args):
         action='store_true',
         help='write output to a local file named like the remote file we get'
     )
+    ap.add_argument(
+        '-L',
+        '--location',
+        action='store_true',
+        help='follow redirects to other web pages (if the URL has a 3XX response code)'
+    )
     ap.add_argument(
         '-X',
         '--request-method',
@@ -49,11 +52,24 @@ def main(args):
             headers[name.strip()] = value.strip()
 
     if ns.request_method == 'GET':
-        r = requests.get(url, headers=headers)
+        r = requests.get(
+            url,
+            headers=headers,
+            allow_redirects=ns.location
+        )
     elif ns.request_method == 'POST':
-        r = requests.post(url, data=ns.data, headers=headers)
+        r = requests.post(
+            url,
+            data=ns.data,
+            headers=headers,
+            allow_redirects=ns.location
+        )
     elif ns.request_method == 'HEAD':
-        r = requests.head(url, headers=headers)
+        r = requests.head(
+            url,
+            headers=headers,
+            allow_redirects=ns.location
+        )
     else:
         print('unknown request method: {}'.format(ns.request_method))
         return
diff --git a/bin/pip.py b/bin/pip.py
index d80be93a..7031ae5b 100644
--- a/bin/pip.py
+++ b/bin/pip.py
@@ -783,9 +783,12 @@ def _get_cooked_ast(filename):
         """
         # with codecs.open(filename, mode="r", encoding="UTF-8") as ins:
         #    s = ins.read()
-        with open(filename, "r") as ins:
-            s = ins.read()
-        tree = ast.parse(s, filename=filename, mode='exec')
+        with open(filename, "rb") as ins:
+            tree = ast.parse(
+                ins.read(),
+                filename=filename,
+                mode='exec'
+            )
         ArchiveFileInstaller.SetupTransformer().visit(tree)
         return tree