Merge pull request talkpython#6 from FEsmondeWhite/patch-1

Fix Exception that will occur later in course.

Author: mikeckennedy

app/ch05_jinja_templates/final/pypi_org/infrastructure/view_modifiers.py

@@ -10,6 +10,10 @@ def response_inner(f):
         @wraps(f)
         def view_method(*args, **kwargs):
             response_val = f(*args, **kwargs)
+
+            if isinstance(response_val, werkzeug.wrappers.response.Response):
+                return response_val
+            
             if isinstance(response_val, flask.Response):
                 return response_val