Test only project files

Author: Surgo

tox.ini

@@ -32,7 +32,7 @@ deps = flake8
 
 [testenv:isort]
 basepython = python3.6
-commands = isort --verbose --check-only --diff
+commands = isort --verbose --check-only --diff django_elastipymemcache tests setup.py
 deps = isort
 
 [testenv:readme]