@@ -40,7 +40,7 @@
 
 BASELINE_IMAGES = [
     Path('lib/matplotlib/tests/baseline_images'),
-    Path('lib/mpl_toolkits/tests/baseline_images'),
+    *Path('lib/mpl_toolkits').glob('*/tests/baseline_images'),
 ]
 
 
 
@@ -126,7 +126,7 @@ def run(show_browser=True):
             show_message = True
 
     if show_message:
-        print("Open {} in a browser for a visual comparison.".format(index))
+        print(f"Open {index} in a browser for a visual comparison.")
 
 
 if __name__ == '__main__':
Original file line number	Diff line number	Diff line change
`@@ -40,7 +40,7 @@`
`40`	`40`
`41`	`41`	`BASELINE_IMAGES = [`
`42`	`42`	`Path('lib/matplotlib/tests/baseline_images'),`
`43`		`- Path('lib/mpl_toolkits/tests/baseline_images'),`
	`43`	`+ Path('lib/mpl_toolkits').glob('/tests/baseline_images'),`
`44`	`44`	`]`
`45`	`45`
`46`	`46`