def leave_diff_mode(self):
        """Leave diff mode."""
        assert self.diff_mode
        self.diff_mode = False
        self.diff_context_model = None
        self.diff_from_source = False
        self.setColumnCount(2)
        self.refresh()
def leave_diff_mode ( self ) : assert self . diff_mode self . diff_mode = False self . diff_context_model = None self . diff_from_source = False self . setColumnCount ( 2 ) self . refresh ( )
Leave diff mode.