def _on_data_changed ( self ):
        # Invalidate the current cache (if any):
        self._filtered_cache = None

        self.fire_structure_changed()
After completion, return contents of stdout associated with specified
dataset/ETHPy150Open enthought/traitsui/traitsui/wx/table_model.py/TableModel._on_data_changed--crossover with--dataset/ETHPy150Open galaxyproject/pulsar/pulsar/managers/__init__.py/ManagerInterface.stdout_contents