Getting below error while connecting the websocket 2.0

on open
Attempting to resubscribe/reconnect...
In on pong function==> b'\x00'
In on pong function==> b'\x00'
In on pong function==> b'\x00'

Please help me fix the issue

Getting below response while running the script. Unable to fetch the ticks.

on open
Attempting to resubscribe/reconnect...
In on pong function==> b'\x00'
In on pong function==> b'\x00'
In on pong function==> b'\x00'
In on pong function==> b'\x00'
In on pong function==> b'\x00'