primitivus: fixed messages order in chat window

frontends/src/primitivus/chat.py

@@ -247,8 +247,9 @@ class Chat(urwid.WidgetWrap, QuickChat):
                     timestamp - time.mktime(_chat_text.timestamp) < 5):
                     #we discard double messages, to avoid backlog / history conflict
                     return
-        my_jid = self.host.profiles[profile]['whoami']
         self.content.append(ChatText(self, timestamp or None, nick, mymess, msg))
+        if timestamp:
+            self.content.sort(key=lambda chat_text: chat_text.timestamp)
         if self.text_list.get_focus()[1] == len(self.content)-2:
             #we don't change focus if user is not at the bottom
             #as that mean that he is probably watching discussion history