revert changes to test file

tests/unit/test_app.py

@@ -28,6 +28,7 @@
 from unittest.mock import patch, MagicMock
 import mongomock  # NOTE: mongomock doesn't work well with sorting
 
+
 # A struct class to convert a dictionary to a object
 # This is useful since MongoDB uses attributes and does not support dictionary keys
 class Struct: