Fix Lawouach#44, when no masking was done, we must ensure we are dealing with a bytearray instance as this is what utf8validator expects

Lawouach · Lawouach · commit 5daae7015bb9 · 2012-04-09T19:51:20.000+02:00
diff --git a/ws4py/streaming.py b/ws4py/streaming.py
@@ -254,7 +254,7 @@ def receiver(self):
                                     reason = 'Invalid Closing Frame Code: %d' % code
                                     code = 1002
                                 elif frame.payload_length > 1:
-                                    reason = bytes[2:] if frame.masking_key else frame.body[2:]
+                                    reason = bytes[2:] if frame.masking_key else bytearray(frame.body[2:])
                                     is_valid, end_on_code_point, _, _ = utf8validator.validate(reason)
                                     if not is_valid or not end_on_code_point:
                                         self.errors.append(CloseControlMessage(code=1007, reason='Invalid UTF-8 bytes'))
