bad charts link was fixed. Gantt charts can be done using the lollipop example: https://python-graph-gallery.com/184-lollipop-plot-with-2-groups/ https://pyth

bad charts link was fixed. Gantt charts can be done using the lollipop example: https://python-graph-gallery.com/184-lollipop-plot-with-2-groups/ https://python-graph-gallery.com/184-lollipop-plot-with-2-gr...