def keyReleaseEvent(self, event):
        if self.isReadOnly():
            return
        initial_state = event.isAccepted()
        event.ignore()
        self.key_released.emit(event)
        if not event.isAccepted():
            event.setAccepted(initial_state)
            super(CodeEdit, self).keyReleaseEvent(event)
Overrides keyReleaseEvent to emit the key_released signal.
dataset/ETHPy150Open OpenCobolIDE/OpenCobolIDE/open_cobol_ide/extlibs/pyqode/core/api/code_edit.py/CodeEdit.keyReleaseEvent