Unhandled Error about docker-websocket-echo HOT 2 OPEN

2020-05-25 17:31:20+0000 [autobahn.twisted.websocket.WebSocketServerFactory] Unhandled Error Traceback (most recent call last): File "/usr/local/lib/python2.7/site-packages/twisted/python/log.py", line 84, in callWithContext return context.call({ILogContext: newCtx}, func, *args, **kw) File "/usr/local/lib/python2.7/site-packages/twisted/python/context.py", line 118, in callWithContext return self.currentContext().callWithContext(ctx, func, *args, **kw) File "/usr/local/lib/python2.7/site-packages/twisted/python/context.py", line 81, in callWithContext return func(*args,**kw) File "/usr/local/lib/python2.7/site-packages/twisted/internet/posixbase.py", line 597, in _doReadOrWrite why = selectable.doRead() --- <exception caught here> --- File "/usr/local/lib/python2.7/site-packages/twisted/internet/tcp.py", line 1067, in doRead protocol = self.factory.buildProtocol(self._buildAddr(addr)) File "/usr/local/lib/python2.7/site-packages/twisted/internet/protocol.py", line 135, in buildProtocol p = self.protocol() File "/usr/local/lib/python2.7/site-packages/autobahn/websocket/protocol.py", line 665, in __init__ self.is_closed = txaio.create_future() File "/usr/local/lib/python2.7/site-packages/txaio/_unframework.py", line 43, in _throw_usage_error "To use txaio, you must first select a framework " exceptions.RuntimeError: To use txaio, you must first select a framework with .use_twisted() or .use_asyncio()

Using: https://www.websocket.org/echo.html as the client

from docker-websocket-echo.

I'm currently not tooled to fix this. Willing to accept PRs.

from docker-websocket-echo.