Use black for formatting

tests/test_routes.py

@@ -4,15 +4,15 @@ import pytest
 @pytest.mark.gen_test
 def test_routes(http_client, base_url):
     for path in (
-            '/',
-            '/home',
-            '/workspaces',
-            '/requests',
-            '/requests/new',
-            '/requests/new/1',
-            '/users',
-            '/reports',
-            '/calculator'
-            ):
+        "/",
+        "/home",
+        "/workspaces",
+        "/requests",
+        "/requests/new",
+        "/requests/new/1",
+        "/users",
+        "/reports",
+        "/calculator",
+    ):
         response = yield http_client.fetch(base_url + path)
     assert response.code == 200