Sankey Plots

Make and save sankey plots based on columns in adata. Uses holoviews+bokeh and supports coloring edges by their weight, as well as other other customization parameters.

plot_sankey(adata, cols[, params])	Generate a Sankey diagram from the specified columns in adata.obs.
save_sankey(plot, filename[, adt_key])	Save a Holoviews Sankey plot as an SVG file.