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Modify the bug

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This commit is contained in:
LuGu 2021-12-07 21:52:58 +08:00
parent 42230e04e9
commit d69a087eb7
1 changed files with 2 additions and 1 deletions
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3
PPOCRLabel/libs/canvas.py
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@ -704,8 +704,9 @@ class Canvas(QWidget):
def keyPressEvent(self, ev): def keyPressEvent(self, ev):
key = ev.key() key = ev.key()
shapesBackup = []
shapesBackup = copy.deepcopy(self.shapes) shapesBackup = copy.deepcopy(self.shapes)
if len(shapesBackup) == 0:
return
self.shapesBackups.pop() self.shapesBackups.pop()
self.shapesBackups.append(shapesBackup) self.shapesBackups.append(shapesBackup)
if key == Qt.Key_Escape and self.current: if key == Qt.Key_Escape and self.current: