Raymond Hettinger <[email protected]> added the comment:
It looks like somewhere in your application a deque object is being passed
where a socket was expected. The easiest way to find the culprit is to edit
the class SocketIO in Lib/socket.py:
def __init__(self, sock, mode):
if mode not in ("r", "w", "rw", "rb", "wb", "rwb"):
raise ValueError("invalid mode: %r" % mode)
io.RawIOBase.__init__(self)
self._sock = sock
+ assert not isinstance(sock, deque)
----------
nosy: +rhettinger
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Python tracker <[email protected]>
<https://bugs.python.org/issue31591>
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