Merge branch 'zeroconf' into 'master'

fix python errors in client zeroconf

See merge request !82

src/common/zeroconf/client_zeroconf.py

@@ -756,7 +756,7 @@ class ClientZeroconf:
         if to is None:
             # Can’t send undirected stanza over Zeroconf.
             return -1
-        to = gajim.get_jid_without_resource(to)
+        to = to.getStripped()
         stanza.setFrom(self.roster.zeroconf.name)
 
         try:
@@ -801,7 +801,7 @@ class ClientZeroconf:
         """
         Generate a random id
         """
-        return ''.join(Random().sample(string.letters + string.digits, 6))
+        return ''.join(Random().sample(string.ascii_letters + string.digits, 6))
 
     def RegisterDisconnectHandler(self, handler):
         """