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Fix error when rendering book on server with empty spine

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Kovid Goyal 2017-05-10 22:43:24 +05:30
parent 2a69f06810
commit 3883efff05
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1 changed files with 1 additions and 1 deletions
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src/calibre/ebooks/oeb/polish/cover.py
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@ -435,7 +435,7 @@ def set_epub_cover(container, cover_path, report, options=None):
# pages and handle possibly removing stylesheets referred to by them. # pages and handle possibly removing stylesheets referred to by them.
spine_items = tuple(container.spine_items) spine_items = tuple(container.spine_items)
if cover_page is None: if cover_page is None and spine_items:
# Check if the first item in the spine is a simple cover wrapper # Check if the first item in the spine is a simple cover wrapper
candidate = container.abspath_to_name(spine_items[0]) candidate = container.abspath_to_name(spine_items[0])
if find_cover_image_in_page(container, candidate) is not None: if find_cover_image_in_page(container, candidate) is not None: