def next_message(self, channel:str, pub_sub:PubSub):
generator = pub_sub.listen()
while True:
msg = next(generator)
if msg["type"] == "message":
return msg
time.sleep(0.5)
def main():
pubsub = PubSub(pool)
pubsub.subscribe(['foo'])
threading.Thread(target=changeFoo).start()
for t in pubsub.listen():
print t
