WebSocketConnectionClosedException: Connection is already closed.
Traceback (most recent call last):
File "ws.py", line 312, in <module>
a = ws.recv()
File "/usr/local/lib/python2.7/dist-packages/websocket/_core.py", line 293, in recv
opcode, data = self.recv_data()
File "/usr/local/lib/python2.7/dist-packages/websocket/_core.py", line 310, in recv_data
opcode, frame = self.recv_data_frame(control_frame)
File "/usr/local/lib/python2.7/dist-packages/websocket/_core.py", line 323, in recv_data_frame