code: def draw_graph(adata, layout=None, **kwargs) -> Union[Axes, List[Axes], None]:
      
      if layout is None:
          layout = str(adata.uns['draw_graph']['params']['layout'])
      basis = 'draw_graph_' + layout
      if 'X_' + basis not in adata.obsm_keys():
          raise ValueError('Did not find {} in adata.obs. Did you compute layout {}?'
                           .format('draw_graph_' + layout, layout))
  
      return plot_scatter(adata, basis, **kwargs)
docs: \
      Scatter plot in graph-drawing basis.
  
      Parameters
      ----------
      {adata_color_etc}
      layout : {{'fa', 'fr', 'drl', ...}}, optional (default: last computed)
          One of the `draw_graph` layouts, see
          :func:`~scanpy.api.tl.draw_graph`. By default, the last computed layout
          is used.
      {edges_arrows}
      {scatter_bulk}
      {show_save_ax}
  
      Returns
      -------
      If `show==False` a :class:`~matplotlib.axes.Axes` or a list of it.