@@ -1571,7 +1571,7 @@ def _draw_colorbar(
             pad_in = CBAR_STACK_PAD_INCHES if n_on_side else clearance.get(location, 0.0) + max(pad, 0.0) * ref_in
             cax = divider.append_axes(
                 location,
-                size=Fixed(max(fraction, 0.0) * ref_in),
+                size=f"{max(fraction, 0.0) * 100}%",
                 pad=Fixed(pad_in),
                 axes_class=Axes,
             )
Original file line number	Diff line number	Diff line change
`@@ -1571,7 +1571,7 @@ def _draw_colorbar(`
`1571`	`1571`	`pad_in = CBAR_STACK_PAD_INCHES if n_on_side else clearance.get(location, 0.0) + max(pad, 0.0) * ref_in`
`1572`	`1572`	`cax = divider.append_axes(`
`1573`	`1573`	`location,`
`1574`		`- size=Fixed(max(fraction, 0.0) * ref_in),`
	`1574`	`+ size=f"{max(fraction, 0.0) * 100}%",`
`1575`	`1575`	`pad=Fixed(pad_in),`
`1576`	`1576`	`axes_class=Axes,`
`1577`	`1577`	`)`