smftools.tools.subset_adata# smftools.tools.subset_adata(adata, columns, cat_type='obs')# Add subset metadata based on categorical values in .obs or .var columns. Parameters: adata (AnnData) -- AnnData object to annotate. columns (Sequence[str]) -- Obs or var column names to subset by (order matters). cat_type (str (default: 'obs')) -- "obs" or "var". Return type: None