Pylint on tests

Author: Xing Han Lu

tests/IntegrationTests.py

@@ -53,10 +53,10 @@ def tearDownClass(cls):
     def setUp(self):
         pass
 
-    def tearDown(self, port=8050):
+    def tearDown(self):
         time.sleep(3)
         if platform.system() == 'Windows':
-            requests.get('http://localhost:{}/stop'.format(port))
+            requests.get('http://localhost:8050/stop')
             sys.exit()
         else:
             self.server_process.terminate()

tests/test_percy_snapshot.py

@@ -22,6 +22,7 @@ class Tests(IntegrationTests):
     the apps being tested in test_usage.py, display them in a simple
     Dash app, and use Percy to take a snapshot for CVI.
     """
+
     def test_usage(self):
         def encode(name):
             path = os.path.join(
@@ -53,7 +54,9 @@ def display_image(pathname):
             :param pathname: name of the screenshot, prefixed with "/"
             :return: An html.Img object containing the base64 encoded image
             """
-            if pathname:
+            if not pathname or pathname == '/':
+                return
+            else:
                 name = pathname.replace('/', '')
                 return html.Img(id=name, src=encode(name))