@staticmethod
def get_cell(obj, pos):
    """
        From a graph `graph` and a tuple `pos`,
        return the object cell value at position `pos`.

        TESTS ::

            sage: from sage.graphs.generators.families import AztecDiamondGraph
            sage: from sage_widget_adapters.graphs.graph_grid_view_adapter import GraphGridViewAdapter
            sage: g = AztecDiamondGraph(2)
            sage: GraphGridViewAdapter.get_cell(g, (1,3)) is None
            True
        """
    return None
