Sistemato un crash

Traceback (most recent call last):
File "mifia.py", line 382, in <module>
if voter.alive:
AttributeError: 'NoneType' object has no attribute 'alive'
Partita -1001042610127 eliminata.

mifia.py

@@ -379,6 +379,7 @@ while True:
                     username = t['text'].split(' ')
                     if len(username) > 1 and g.findusername(username[1]) is not None:
                         voter = g.findid(t['from']['id'])
+                        if voter is not None:
                             if voter.alive:
                                 voter.votedfor = username[1]
                                 g.message("Hai votato per " + username[1] + ".")