+# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
+#
import os
-import six
import subprocess
from tempfile import NamedTemporaryFile
from librarian import functions, get_resource, OutputFile
'--mobi-file-type=both',
'--mobi-ignore-margins',
], **gen_kwargs)
+ devnull.close()
return OutputFile.from_filename(output_file.name)