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Kovid Goyal 2014-02-09 22:23:31 +05:30
parent b0de1e9633
commit c420ec0463
1 changed files with 1 additions and 1 deletions
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src/calibre/library/catalogs/epub_mobi_builder.py
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@ -1233,7 +1233,7 @@ class CatalogBuilder(object):
else:
# Validate custom field is usable as a genre source
field_md = self.db.metadata_for_field(self.opts.genre_source_field)
if not field_md['datatype'] in ['enumeration', 'text']:
if field_md is None or not field_md['datatype'] in ['enumeration', 'text']:
all_custom_fields = self.db.custom_field_keys()
eligible_custom_fields = []
for cf in all_custom_fields: