- Fix build without python2 - update to 0.57.0 * wsdump: Fix --headers option * Fix getting 400 bad request with long proxy authorization string * Create dummy `ssl` object * Show compressed text messages in wsdump.py * Expose http connection header to user * fix the compatible issue with gevent+dnspython * _handshake: hasattr checks on six before accessing the values OBS-URL: https://build.opensuse.org/request/show/784164 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/python-websocket-client?expand=0&rev=13