Don't crash if the part message is null

core/bot.py

@@ -175,14 +175,15 @@ class IRCBot(IRCClient):
                     castDup["type"] = "self"
                     castDup["name"] = self.name
                     if not cast["target"].lower() == self.nickname.lower(): # modes has been set on us directly
-                        self.event(**castDup)                       #  don't tell anyone else
+                        self.event(**castDup)                               #  don't tell anyone else
             if "message" in cast.keys() and not cast["type"] == "query": # Don't highlight queries
-                if self.nickname.lower() in cast["message"].lower():
+                if not cast["message"] == None:
-                    castDup = deepcopy(cast)
+                    if self.nickname.lower() in cast["message"].lower():
-                    castDup["mtype"] = cast["type"]
+                        castDup = deepcopy(cast)
-                    castDup["type"] = "highlight"
+                        castDup["mtype"] = cast["type"]
-                    castDup["name"] = self.name
+                        castDup["type"] = "highlight"
-                    self.event(**castDup)
+                        castDup["name"] = self.name
+                        self.event(**castDup)
 
         if not "name" in cast.keys():
             cast["name"] = self.net
@@ -380,8 +381,8 @@ class IRCBot(IRCClient):
         if not channel in self.channels:
             self.channels.append(channel)
         self.names(channel).addCallback(self.got_names)
-        self.who(channel).addCallback(self.got_who)
         if main.config["Toggles"]["Who"]:
+            self.who(channel).addCallback(self.got_who)
             lc = LoopingCall(self.who, channel)
             self._getWho[channel] = lc
             intrange = main.config["Tweaks"]["Delays"]["WhoRange"]