fix(DM error): fix AttributeError: 'NoneType' on sending DM to the bot

bot.py

@@ -102,7 +102,8 @@ class TuxBot(commands.AutoShardedBot):
     async def on_message(self, message: discord.message):
         if message.author.bot \
                 or message.author.id in self.blacklist \
-                or message.guild.id in self.blacklist:
+                or (message.guild is not None
+                    and message.guild.id in self.blacklist):
             return
 
         await self.process_commands(message)

cogs/utils/models/poll.py

@@ -1,6 +1,7 @@
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy import Column, Integer, BigInteger, JSON, ForeignKey, Boolean
 from sqlalchemy.orm import relationship
+from werkzeug.security import generate_password_hash, check_password_hash
 
 Base = declarative_base()
 

prefixes.json

@@ -1,11 +1,11 @@
 {
   "280805240977227776": [
-    "b!"
+    "b!!"
   ],
   "303633056944881686": [
-    "b!"
+    "b!!"
   ],
   "336642139381301249": [
-    "b!"
+    "b!!"
   ]
 }