fix #3663: changed and updated sort keys

[librarian.git] / librarian / epub.py

diff --git a/librarian/epub.py b/librarian/epub.py
index 6a1b2ce..bf2d4d9 100644 (file)
--- a/librarian/epub.py
+++ b/librarian/epub.py
@@ -646,7 +646,7 @@ def transform(wldoc, verbose=False,
                 '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'
     ))
 
-    if not flags or not 'without-fonts' in flags:
+    if not flags or 'without-fonts' not in flags:
         # strip fonts
         tmpdir = mkdtemp('-librarian-epub')
         try: