Fix Issue #217: Handle request.headers=None (#218)

corydolphin · Apr 26, 2018 · 4686c1e · 4686c1e
1 parent aab232a
commit 4686c1e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/flask_cors/extension.py b/flask_cors/extension.py
@@ -170,7 +170,7 @@ def wrapped_function(*args, **kwargs):
 def make_after_request_function(resources):
     def cors_after_request(resp):
         # If CORS headers are set in a view decorator, pass
-        if resp.headers.get(ACL_ORIGIN):
+        if resp.headers is not None and resp.headers.get(ACL_ORIGIN):
             LOG.debug('CORS have been already evaluated, skipping')
             return resp
 
@@ -183,4 +183,4 @@ def cors_after_request(resp):
         else:
             LOG.debug('No CORS rule matches')
         return resp
-    return cors_after_request
+    return cors_after_request