Postel's Law is a bad idea.

If we decode a number that's larger than EOS we shouldn't treat it as
the same as EOS. Something got screwed up, and we should say so.

Author: Lukasa

hyper/http20/huffman.py

@@ -67,7 +67,7 @@ def decode(self, encoded_string):
                 cur_node = cur_node.mapping[digit]
                 if cur_node.data is not None:
                     # If we get EOS, everything else is padding.
-                    if cur_node.data > 255:
+                    if cur_node.data == 256:
                         break
 
                     decoded_message.append(cur_node.data)