Bitcoin Stratum Server

Es soll ein einem bestehenden Bitcoin Pool Projekt einige Fehler behoben werden so das der Stratum Server ohne Fehler läuft. Fehlerausgabe beim starten des Stratum Server: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/twisted/internet/[login to view URL]", line 1039, in _inlineCallbacks result = [login to view URL](result) File "/root/stratum-mining/mining/[login to view URL]", line 127, in setup [login to view URL](True) File "/usr/lib/python2.7/dist-packages/twisted/internet/[login to view URL]", line 362, in callback self._startRunCallbacks(result) File "/usr/lib/python2.7/dist-packages/twisted/internet/[login to view URL]", line 458, in _startRunCallbacks self._runCallbacks() --- <exception caught here> --- File "/usr/lib/python2.7/dist-packages/twisted/internet/[login to view URL]", line 545, in _runCallbacks [login to view URL] = callback([login to view URL], *args, **kw) File "/usr/local/lib/python2.7/dist-packages/[login to view URL]", line 46, in setup_finalize import websocket_transport File "/usr/local/lib/python2.7/dist-packages/[login to view URL]", line 2, in <module> from [login to view URL] import WebSocketServerProtocol, WebSocketServerFactory File "/usr/local/lib/python2.7/dist-packages/[login to view URL]", line 57, in <module> from [login to view URL] import peer2str File "/usr/local/lib/python2.7/dist-packages/[login to view URL]", line 26, in <module> from [login to view URL] import IPv4Address, IPv6Address, UNIXAddress [login to view URL]: cannot import name IPv6Address