Merge pull request #1882 from joelostblom/marginal-showline

Hide ticks and axis line for the marginal value axes

Author: nicolaskruchten

Diff for: packages/python/plotly/plotly/express/_core.py

@@ -375,14 +375,14 @@ def configure_cartesian_marginal_axes(args, fig, orders):
 
     # Configure axis ticks on marginal subplots
     if args["marginal_x"]:
-        fig.update_yaxes(showticklabels=False, row=nrows)
+        fig.update_yaxes(showticklabels=False, showline=False, ticks="", row=nrows)
         if args["template"].layout.yaxis.showgrid is None:
             fig.update_yaxes(showgrid=args["marginal_x"] == "histogram", row=nrows)
         if args["template"].layout.xaxis.showgrid is None:
             fig.update_xaxes(showgrid=True, row=nrows)
 
     if args["marginal_y"]:
-        fig.update_xaxes(showticklabels=False, col=ncols)
+        fig.update_xaxes(showticklabels=False, showline=False, ticks="", col=ncols)
         if args["template"].layout.xaxis.showgrid is None:
             fig.update_xaxes(showgrid=args["marginal_y"] == "histogram", col=ncols)
         if args["template"].layout.yaxis.showgrid is None: