Add additional error handling in user queries

modules/userinfo.py

@@ -149,10 +149,11 @@ def getUserByNick(name, nick):
         return main.r.hget(mapspace, nick)
     else:
         warn("Entry doesn't exist: %s on %s - attempting auxiliary lookup" % (nick, mapspace))
-        #return Falsedd
+        #return False
     # legacy code below - remove when map is reliable
     usermatch = main.r.sscan(gnamespace, match=escape(nick)+"!*", count=-1)
     if usermatch[1] == []:
+        warn("No matches found for user query: %s on %s" % (nick, name))
         return False
     else:
         if len(usermatch[1]) == 1:
@@ -184,6 +185,8 @@ def renameUser(name, oldnick, olduser, newnick, newuser):
 
 def delUserByNick(name, channel, nick): # kick
     user = getUserByNick(name, nick)
+    if not user:
+        return
     delUser(name, channel, nick, user)
 
 def delUserByNetwork(name, nick, user): # quit