fix last hashtag detection

delojza.py

@@ -240,9 +240,9 @@ class DelojzaBot:
     def get_hashtags(self, message):
         hashtags = self.extract_hashtags(message)
         if len(hashtags) == 0 and self.last_hashtags is not None:
-            user, chat, ts, hashtags = self.last_hashtags
+            user, chat, ts, last_hashtags = self.last_hashtags
             if user == message.from_user and chat == message.chat and ts > datetime.now() - timedelta(hours=1):
-                hashtags = self.last_hashtags[1]
+                hashtags = last_hashtags
         return hashtags
 
     def tg_handle_hashtag(self, bot, update):