def cat_finder(self):
copy = self.waiting_for_cat.copy()
for user, chance in zip(copy.keys(), copy.values()):
power = chance.check()
if power:
cat = Cat(power=power)
user.add_cat(cat)
user.is_mining = False
user.send(Message('new_cat', cat.dump()))
self.waiting_for_cat.pop(user)
log.debug('User %s find new cat %s' % (user, cat))
