diff --git a/tools/update_baseline_images.py b/tools/update_baseline_images.py
index f38346193..e5dd4c471 100644
--- a/tools/update_baseline_images.py
+++ b/tools/update_baseline_images.py
@@ -42,6 +42,7 @@ def result_to_baseline():
     """
     for image in new_test_images():
         new_baseline_image = baseline_path(image)
+        new_baseline_image.parent.mkdir(parents=True, exist_ok=True)
         image.replace(new_baseline_image)
 
 
diff --git a/tools/visualize_tests.py b/tools/visualize_tests.py
index c3d754eb6..f04b1673e 100644
--- a/tools/visualize_tests.py
+++ b/tools/visualize_tests.py
@@ -85,7 +85,7 @@
 def make_row(actual, expected, failed):
     _actual = f'<a href="{actual}"><img src="{actual}">'
     _expected = f'<a href="{expected}"><img src="{expected}">'
-    _failed = f"--"
+    _failed = "--"
 
     if failed:
         _failed = f'<a href="{failed}">diff</a>'