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Kovid Goyal 2022-01-20 20:14:41 +05:30
parent 5d60be4033
commit d82e76b32d
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1 changed files with 2 additions and 2 deletions
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src/calibre/gui2/tweak_book/undo.py
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@ -97,8 +97,8 @@ def add_savepoint(self, new_container, message):
self.states[self.pos].rewind_message = self.states[self.pos].message
self.states[self.pos].message = message
except IndexError:
raise IndexError('The checkpoint stack has an incorrect position pointer. This should never happen: self.pos = {!r}, len(self.states) = {!r}'.format(
self.pos, len(self.states)))
raise IndexError('The checkpoint stack has an incorrect position pointer.'
f' This should never happen: pos={self.pos!r}, len_states={len(self.states)=}')
self.truncate()
self.beginInsertRows(ROOT, self.pos+1, self.pos+1)
self.states.append(State(new_container))