def onShortcutUnindentWithBackspace(self):
        """Backspace pressed, unindent
        """
        assert self._qpart.textBeforeCursor().endswith(self.text())

        charsToRemove = len(self._qpart.textBeforeCursor()) % len(self.text())
        if charsToRemove == 0:
            charsToRemove = len(self.text())

        cursor = self._qpart.textCursor()
        cursor.setPosition(cursor.position() - charsToRemove, QTextCursor.KeepAnchor)
        cursor.removeSelectedText()
def testWrapperKerasStyle(self, wrapper, wrapper_v2):
    """Tests if wrapper cell is instantiated in keras style scope."""
    wrapped_cell_v2 = wrapper_v2(rnn_cell_impl.BasicRNNCell(1))
    self.assertIsNone(getattr(wrapped_cell_v2, "_keras_style", None))

    wrapped_cell = wrapper(rnn_cell_impl.BasicRNNCell(1))
    self.assertFalse(wrapped_cell._keras_style)