This was probably triggered due to a mypy update.
@ -632,7 +632,7 @@ class Tester:
else:
return text_to_format.format(str(n) + " ")
def sigint_handler(self, sig: signal.Signals, frame: FrameType) \
def sigint_handler(self, sig: int, frame: Optional[FrameType]) \
-> NoReturn:
print("Received SIGINT")
print("Stopping all processes ...")