Test instance type by isinstance, not issubclass

Fixes aio-libs#277
hroncok · Nov 14, 2019 · e64b958 · e64b958
1 parent 73510a3
commit e64b958
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tests/unit/test_cors_config.py b/tests/unit/test_cors_config.py
@@ -103,7 +103,7 @@ def test_static_resource(app, cors):
         "/file", "/", name="dynamic_named_route")
     assert len(app.router.keys()) == 1
     for resource in list(app.router.resources()):
-        if issubclass(resource, web.StaticResource):
+        if isinstance(resource, web.StaticResource):
             cors.add(resource)
     assert len(app.router.keys()) == 1