fix the flake8 error and add new lines to files

.gitignore

@@ -32,4 +32,4 @@ wheels/
 
 
 # Cache
-.mypy_cache/
+.mypy_cache/
\ No newline at end of file

opentech/apply/tests.py

-from django.test import TestCase
+# from django.test import TestCase
 
 # Create your tests here.

setup.cfg

@@ -11,4 +11,4 @@ ignore_errors = False
 
 [flake8]
 ignore=E501,F405
-exclude=*/migrations/*
+exclude=*/migrations/*
\ No newline at end of file