Exception when p2p is shutting down

[AlyaGomaa]

2026/03/01 11:47:24.844055 [P2P Trust] Traceback (most recent call last):
  File "/root/StratosphereLinuxIPS/slips_files/common/abstracts/imodule.py", line 184, in run
    self.shutdown_gracefully()
  File "/root/StratosphereLinuxIPS/modules/p2ptrust/p2ptrust.py", line 596, in shutdown_gracefully
    self.pigeon.send_signal(signal.SIGINT)
    ^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'send_signal'