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-rw-r--r--lib/util.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/util.py b/lib/util.py
index a2f982d..1eb6af6 100644
--- a/lib/util.py
+++ b/lib/util.py
@@ -121,7 +121,7 @@ def generate_rss(request, books):
track_list.append(track)
else:
# we have populated and unique track values, use those
- key = lambda x: books[book]['files'][x]['track']
+ key = lambda x: int(books[book]['files'][x]['track'])
# populate XML attribute values required by Apple podcasts
for idx, f in enumerate(sorted(books[book]['files'], key=key)):