Integrate pycodestyle

tests/stub_api.py

@@ -21,7 +21,8 @@ def api_online_one_shot():
     Subsequent API invocations will return with HTTP status code 500."""
 
     def canned_menu(request, uri, response_headers):
-        path = os.path.join(os.path.dirname(__file__), 'resources', 'input.json')
+        path = os.path.join(os.path.dirname(__file__),
+                            'resources', 'input.json')
         with open(path) as f:
             return 200, response_headers, f.read()
 
@@ -30,7 +31,10 @@ def api_online_one_shot():
         httpretty.Response(body='invalid', status=500),
     ]
 
-    httpretty.register_uri(httpretty.POST,  canteen_api.URL, responses=responses)
+    httpretty.register_uri(httpretty.POST,
+                           canteen_api.URL,
+                           responses=responses)
+
     httpretty.enable(allow_net_connect=False)
     yield httpretty
     httpretty.disable()