code: def filter_genes_dispersion(result, log=False, show=None, save=None):
          
      highly_variable_genes(result, log=False, show=None, save=None, highly_variable_genes=False)
docs: Plot dispersions versus means for genes.
  
      Produces Supp. Fig. 5c of Zheng et al. (2017) and MeanVarPlot() of Seurat.
  
      Parameters
      ----------
      result : `np.recarray`
          Result of :func:`~scanpy.api.pp.filter_genes_dispersion`.
      log : `bool`
          Plot on logarithmic axes.
      show : bool, optional (default: `None`)
           Show the plot, do not return axis.
      save : `bool` or `str`, optional (default: `None`)
          If `True` or a `str`, save the figure. A string is appended to the
          default filename. Infer the filetype if ending on {{'.pdf', '.png', '.svg'}}.