fix(config): fixed pep8 lint errors

app/config.py

@@ -1,5 +1,6 @@
 import os
 
+
 class Config(object):
     SECRET_KEY = os.environ.get("SECRET_KEY")
     if SECRET_KEY is None:
@@ -21,11 +22,13 @@ class Config(object):
     SESSION_COOKIE_HTTPONLY = True
     SESSION_COOKIE_SAMESITE = 'None'
 
+
 class DevelopmentConfig(Config):
     TESTING = True
     DEBUG = True
     DEVELOPMENT = True
 
+
 class ProductionConfig(Config):
     TESTING = False
     DEBUG = False