Python 3 fix for the template loader test.

web/pgadmin/utils/tests/test_versioned_template_loader.py

@@ -47,9 +47,10 @@ class TestVersionedTemplateLoader(BaseTestGenerator):
         try:
             self.loader.get_source(None, "some_feature/sql/#10100#/some_action.sql")
             self.fail("No exception raised")
-        except TemplateNotFound, e:
+        except TemplateNotFound:
             return
 
+
 class FakeApp(Flask):
     def __init__(self):
         super(FakeApp, self).__init__("")