pep8 and other code-style changes

[wolnelektury.git] / src / catalogue / helpers.py

diff --git a/src/catalogue/helpers.py b/src/catalogue/helpers.py
index b48c483..38e2a87 100644 (file)
--- a/src/catalogue/helpers.py
+++ b/src/catalogue/helpers.py
@@ -3,20 +3,18 @@
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from django.conf import settings
-from django.contrib.contenttypes.models import ContentType
-from django.db.models import Count
 from .models import Tag, Book
 from os.path import getmtime
 import cPickle
 from collections import defaultdict
 
 
-
 BOOK_CATEGORIES = ('author', 'epoch', 'genre', 'kind')
 
-
 _COUNTERS = None
 _COUNTER_TIME = None
+
+
 def get_top_level_related_tags(tags, categories=None):
     """
     Finds tags related to given tags through books, and counts their usage.
@@ -46,8 +44,6 @@ def get_top_level_related_tags(tags, categories=None):
         tag.count = _COUNTERS['count'][tuple(sorted(tagids + (tag.pk,)))]
         yield tag
 
-    #~ return related
-
 
 def update_counters():
     def combinations(things):