fixes a bug related to re-registration of colormaps which becomes illegal in Matplotlib >3.4.2
silences a deprecation warning when checking for relative axis location in a subplot
Point 1 raises the question if cmap_from_{act,txt} should register the colormap. A possible option is to only return the colormap instance. This might cause some minor changes to the way we are loading the Typhon colormaps (need to register the colormaps there).
This PR
Point 1 raises the question if
cmap_from_{act,txt}should register the colormap. A possible option is to only return the colormap instance. This might cause some minor changes to the way we are loading the Typhon colormaps (need to register the colormaps there).