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Compare tool: Fix unbound local error caused by empty group

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Kovid Goyal 2014-01-31 20:18:42 +05:30
parent bdc51eb28c
commit 34c74a6e6e
1 changed files with 1 additions and 0 deletions
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src/calibre/gui2/tweak_book/diff/view.py
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@ -682,6 +682,7 @@ def insert_boundary():
self.left.line_number_map[self.changes[-1].ltop] = '-'
self.right.line_number_map[self.changes[-1].rtop] = '-'
ahi = bhi = 0
for i, group in enumerate(cruncher.get_grouped_opcodes(context)):
for j, (tag, alo, ahi, blo, bhi) in enumerate(group):
if j == 0 and (i > 0 or min(alo, blo) > 0):