Testing env var

Author: pcko1

.temp/evince_var.py

@@ -0,0 +1,2 @@
+import os
+print(os.environ["API_KEY"])

.travis.yml

@@ -13,7 +13,7 @@ install:
 - conda activate etherscan-python
 - pip install .
 script:
-- echo $API_KEY
+- python .temp/evince_var.py
 # - bash run_tests.sh
 # - bash <(curl -s https://codecov.io/bash)
 env: