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Fix crash when books in GST don't have ratings

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Charles Haley 2015-11-23 18:49:20 +01:00
parent 6eb304c3be
commit 6c2f86b7b7
1 changed files with 1 additions and 1 deletions
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src/calibre/db/categories.py
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@ -213,7 +213,7 @@ def get_categories(dbcache, sort='name', book_ids=None, first_letter_sort=False)
total_rating = 0
count = 0
for id_ in t.id_set:
rating = book_rating_map[id_]
rating = book_rating_map.get(id_, 0)
if rating:
total_rating += rating/2
count += 1