using contextlib+signals to make a with timeout with statement

psyche.py

import signal
from contextlib import contextmanager
class TimeOutError(RuntimeError):pass
@contextmanager
def timeout(duration):
	def timeout_handler(signum, frame):
		raise TimeOutError()
	signal.signal(signal.SIGALRM, timeout_handler)
	signal.alarm(duration)
	try:
		yield None
	except TimeOutError:pass
	finally:
		signal.alarm(0)

u=None
with timeout(1):
	u=input("high five:")

if u==None:
	print("\npsyche")
else:
	print("wow, nice")