handling timezones datetimes in the 'after' argument

msg.py

@@ -15,7 +15,11 @@ async def message_gen(client: discord.Client, limit=20, days: int = 90, **kwargs
     channels = filter(lambda c: c.category.name != 'Archive', channels)
     for channel in channels:
         print(f'{channel.category.name} #{channel.name}')
-        async for msg in channel.history(limit=limit, after=(datetime.today() - timedelta(days=days)), **kwargs):
+        if 'after' not in kwargs:
+            kwargs['after'] = (datetime.today() - timedelta(days=days))
+        elif isinstance((after := kwargs.get('after', None)), datetime):
+            kwargs['after'] = after.replace(tzinfo=None)
+        async for msg in channel.history(limit=limit, **kwargs):
             yield msg