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Fix #1873045 [Calibre - 'NoneType' object is not iterable](https://bugs.launchpad.net/calibre/+bug/1873045)

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Kovid Goyal 2020-04-16 08:35:00 +05:30
parent 175282da52
commit 65d9d72588
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GPG key ID: 06BC317B515ACE7C
1 changed files with 3 additions and 4 deletions
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7
src/calibre/gui2/library/models.py
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@ -928,10 +928,6 @@ def data(self, index, role):
id_ = self.id(index)
self.column_color.mi = None
if self.color_row_fmt_cache is None:
self.color_row_fmt_cache = tuple(fmt for key, fmt in
self.db.prefs['column_color_rules'] if key == color_row_key)
for k, fmt in self.db.prefs['column_color_rules']:
if k == key:
ccol = self.column_color(id_, key, fmt, self.db,
@ -954,6 +950,9 @@ def data(self, index, role):
except:
pass
if self.color_row_fmt_cache is None:
self.color_row_fmt_cache = tuple(fmt for key, fmt in
self.db.prefs['column_color_rules'] if key == color_row_key)
for fmt in self.color_row_fmt_cache:
ccol = self.column_color(id_, color_row_key, fmt, self.db,
self.color_cache, self.color_template_cache)