Unused imports & whitespace

[wolnelektury.git] / apps / catalogue / models / book.py

diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py
index b9441c3..bd7d7e4 100644 (file)
--- a/apps/catalogue/models/book.py
+++ b/apps/catalogue/models/book.py
@@ -128,7 +128,7 @@ class Book(models.Model):
         if self.has_media(type_):
             if type_ in Book.formats:
                 return getattr(self, "%s_file" % type_)
-            else:                                             
+            else:
                 return self.media.filter(type=type_)
         else:
             return None
@@ -140,7 +140,7 @@ class Book(models.Model):
     def get_ogg(self):
         return self.get_media("ogg")
     def get_daisy(self):
-        return self.get_media("daisy")                       
+        return self.get_media("daisy")
 
     def reset_short_html(self):
         if self.id is None:
@@ -151,7 +151,7 @@ class Book(models.Model):
         for fragm in self.fragments.all().iterator():
             fragm.reset_short_html()
 
-        try: 
+        try:
             author = self.tags.filter(category='author')[0].sort_key
         except IndexError:
             author = u''
@@ -323,7 +323,7 @@ class Book(models.Model):
         if 'cover' not in dont_build:
             book.cover.build_delay()
             book.cover_thumb.build_delay()
-        
+
         # No saves behind this point.
 
         if has_own_text:
@@ -566,7 +566,7 @@ class Book(models.Model):
                 'title', 'parent', 'slug')
         if filter:
             books = books.filter(filter).distinct()
-            
+
             book_ids = set(b['pk'] for b in books.values("pk").iterator())
             for book in books.iterator():
                 parent = book.parent_id
@@ -582,7 +582,7 @@ class Book(models.Model):
         for tag in Tag.objects.filter(category='author').iterator():
             books_by_author[tag] = []
 
-        for book in books_by_parent.get(None,()):
+        for book in books_by_parent.get(None, ()):
             authors = list(book.tags.filter(category='author'))
             if authors:
                 for author in authors: