Fixes Python 3 compatibility for testing (#230)

* Testing 3.6

* Fixing Python 3 testing

* Fixing both kinds of tests :)

* PEP8 lint project and add linting checks to build process (#229)

* Revert "PEP8 lint project and add linting checks to build process (#229)"

This reverts commit 15d89d2b66030cdc2a6276b0a73acaa4912c06ab.

.travis.yml

@@ -1,6 +1,7 @@
 language: python
 python:
     - 2.7
+    - 3.6
 install:
     - pip install -r development.txt
 script:

tests/test_user_facing.py

@@ -1,4 +1,4 @@
-from helpers import create_ctfd, register_user, login_as_user
+from tests.helpers import create_ctfd, register_user, login_as_user
 from CTFd.models import Teams