fix custom pdf w/pictures

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

diff --git a/src/catalogue/utils.py b/src/catalogue/utils.py
index e94c67d..60a5671 100644 (file)
--- a/src/catalogue/utils.py
+++ b/src/catalogue/utils.py
@@ -2,24 +2,24 @@
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
-from collections import defaultdict
 import hashlib
 import os.path
 import random
 import re
 import time
 from base64 import urlsafe_b64encode
-
-from django.http import HttpResponse
-from django.core.files.uploadedfile import UploadedFile
-from django.core.files.storage import DefaultStorage
-from django.utils.encoding import force_unicode
-from django.conf import settings
-from os import mkdir, path, unlink
+from collections import defaultdict
 from errno import EEXIST, ENOENT
 from fcntl import flock, LOCK_EX
+from os import mkdir, path, unlink
 from zipfile import ZipFile
 
+from django.conf import settings
+from django.core.files.storage import DefaultStorage
+from django.core.files.uploadedfile import UploadedFile
+from django.http import HttpResponse
+from django.utils.encoding import force_unicode
+
 from reporting.utils import read_chunks
 
 # Use the system (hardware-based) random number generator if it exists.