[Python] AttributeError: 'AsyncSniffer' object has no attribute 'stop_cb'

When running the following code:

import time
from scapy.all import AsyncSniffer

sniffy = AsyncSniffer(iface="wlp0s20f3", filter="not arpand not port 22")

sniffy.start()
time.sleep(1)
sniffy.stop()


I get:

def stop(self, join=True):
"""Stops AsyncSniffer if not in async mode"""
if self.running:
try:
> self.stop_cb()
E AttributeError: 'AsyncSniffer' object has no attribute 'stop_cb'

venv/lib/python3.8/site-packages/scapy/sendrecv.py:1017: AttributeError


I found this similar question: Scapy AsyncSniffer fails if stop() is called right after start(). However, in my case the issue was not fixed although I added the sleep(1).

I won't bore you by adding more debugging. By writing a minimal reproducible example, it became obvious: the filter is broken

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