Sylvain Hellegouarch avatar Sylvain Hellegouarch committed 4e739b7

Fix #449

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Files changed (1)

cherrypy/lib/httptools.py

         """Return a list of HeaderElements for the given header (or None)."""
         h = self.get(key)
         if h is None:
-            return None
+            return []
         return header_elements(key, h)
 
 
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