Fixed 'cleantags' command

boards/management/commands/cleantags.py

@@ -1,19 +1,19 b''
 from django.core.management import BaseCommand
 from django.db import transaction
 from django.db.models import Count
 
 from boards.models import Tag
 
 
 __author__ = 'neko259'
 
 
 class Command(BaseCommand):
     help = 'Removed tags that have no threads'
 
     @transaction.atomic
     def handle(self, *args, **options):
-        empty = Tag.objects.annotate(num_threads=Count('thread'))\
+        empty = Tag.objects.annotate(num_threads=Count('thread_tags'))\
                 .filter(num_threads=0).order_by('-required', 'name')
         print('Removing {} empty tags'.format(empty.count()))
         empty.delete()