Error in zlib when connecting to certain servers

[soccermitchy]

When I use rex to try and connect to certain servers, I get this:

(rex) aaaaaaa@DESKTOP-QP56C4A:/mnt/f/Misc/mc/rex$ ./start-rex -y mineclub -c play.mineclub.com -l 127.0.0.1:25580
Unhandled Error
Traceback (most recent call last):
  File "/home/aaaaaaa/.local/share/virtualenvs/rex-JqGgnE7M/lib/python3.6/site-packages/twisted/python/log.py", line 101, in callWithLogger
    return callWithContext({"system": lp}, func, *args, **kw)
  File "/home/aaaaaaa/.local/share/virtualenvs/rex-JqGgnE7M/lib/python3.6/site-packages/twisted/python/log.py", line 85, in callWithContext
    return context.call({ILogContext: newCtx}, func, *args, **kw)
  File "/home/aaaaaaa/.local/share/virtualenvs/rex-JqGgnE7M/lib/python3.6/site-packages/twisted/python/context.py", line 118, in callWithContext
    return self.currentContext().callWithContext(ctx, func, *args, **kw)
  File "/home/aaaaaaa/.local/share/virtualenvs/rex-JqGgnE7M/lib/python3.6/site-packages/twisted/python/context.py", line 83, in callWithContext
    return func(*args, **kw)
--- <exception caught here> ---
  File "/home/aaaaaaa/.local/share/virtualenvs/rex-JqGgnE7M/lib/python3.6/site-packages/twisted/internet/posixbase.py", line 687, in _doReadOrWrite
    why = selectable.doRead()
  File "/home/aaaaaaa/.local/share/virtualenvs/rex-JqGgnE7M/lib/python3.6/site-packages/twisted/internet/tcp.py", line 246, in doRead
    return self._dataReceived(data)
  File "/home/aaaaaaa/.local/share/virtualenvs/rex-JqGgnE7M/lib/python3.6/site-packages/twisted/internet/tcp.py", line 251, in _dataReceived
    rval = self.protocol.dataReceived(data)
  File "/home/aaaaaaa/.local/share/virtualenvs/rex-JqGgnE7M/lib/python3.6/site-packages/quarry/net/protocol.py", line 84, in dataReceived
    return self.data_received(data)
  File "/home/aaaaaaa/.local/share/virtualenvs/rex-JqGgnE7M/lib/python3.6/site-packages/quarry/net/protocol.py", line 233, in data_received
    self.compression_threshold)
  File "/home/aaaaaaa/.local/share/virtualenvs/rex-JqGgnE7M/lib/python3.6/site-packages/quarry/types/buffer/v1_7.py", line 257, in unpack_packet
    body = zlib.decompress(buff.read())
zlib.error: Error -5 while decompressing data: incomplete or truncated stream```

(`./start-rex` is just a script that does `python rex.py --auth <myuser>:<mypass>`)