diff --git a/datacatalog/snippets/conftest.py b/datacatalog/snippets/conftest.py
index cec3ed8c92be..6060ec87721b 100644
--- a/datacatalog/snippets/conftest.py
+++ b/datacatalog/snippets/conftest.py
@@ -133,15 +133,18 @@ def policy_tag_manager_client(credentials):
 @pytest.fixture
 def random_taxonomy_display_name(policy_tag_manager_client, project_id):
     now = datetime.datetime.now()
-    random_display_name = f'example_taxonomy' \
-                          f'_{now.strftime("%Y%m%d%H%M%S")}' \
-                          f'_{uuid.uuid4().hex[:8]}'
+    random_display_name = (
+        f"example_taxonomy"
+        f'_{now.strftime("%Y%m%d%H%M%S")}'
+        f"_{uuid.uuid4().hex[:8]}"
+    )
     yield random_display_name
     parent = datacatalog_v1.PolicyTagManagerClient.common_location_path(
-        project_id, 'us'
+        project_id, "us"
     )
     taxonomies = policy_tag_manager_client.list_taxonomies(parent=parent)
     taxonomy = next(
-        (t for t in taxonomies if t.display_name == random_display_name), None)
+        (t for t in taxonomies if t.display_name == random_display_name), None
+    )
     if taxonomy:
         policy_tag_manager_client.delete_taxonomy(name=taxonomy.name)
diff --git a/datacatalog/snippets/data_catalog_ptm_create_taxonomy.py b/datacatalog/snippets/data_catalog_ptm_create_taxonomy.py
index f6b49ba1c714..5a9d8be1a35b 100644
--- a/datacatalog/snippets/data_catalog_ptm_create_taxonomy.py
+++ b/datacatalog/snippets/data_catalog_ptm_create_taxonomy.py
@@ -20,11 +20,9 @@ def create_taxonomy(
     # TODO(developer): Set project_id to the ID of the project the
     #  taxonomy will belong to.
     project_id: str = "your-project-id",
-
     # TODO(developer): Specify the geographic location where the
     #  taxonomy should reside.
     location_id: str = "us",
-
     # TODO(developer): Set the display name of the taxonomy.
     display_name: str = "example-taxonomy",
 ):
@@ -41,10 +39,11 @@ def create_taxonomy(
     # TODO(developer): Construct a full Taxonomy object to send to the API.
     taxonomy = datacatalog_v1.Taxonomy()
     taxonomy.display_name = display_name
-    taxonomy.description = 'This Taxonomy represents ...'
+    taxonomy.description = "This Taxonomy represents ..."
 
     # Send the taxonomy to the API for creation.
     taxonomy = client.create_taxonomy(parent=parent, taxonomy=taxonomy)
-    print(f'Created taxonomy {taxonomy.name}')
+    print(f"Created taxonomy {taxonomy.name}")
+
 
 # [END data_catalog_ptm_create_taxonomy]
diff --git a/datacatalog/snippets/data_catalog_ptm_create_taxonomy_test.py b/datacatalog/snippets/data_catalog_ptm_create_taxonomy_test.py
index 63a913c38e2f..d45cddf074a0 100644
--- a/datacatalog/snippets/data_catalog_ptm_create_taxonomy_test.py
+++ b/datacatalog/snippets/data_catalog_ptm_create_taxonomy_test.py
@@ -16,14 +16,12 @@
 import data_catalog_ptm_create_taxonomy
 
 
-def test_create_taxonomy(capsys,
-                         project_id: str,
-                         random_taxonomy_display_name: str):
+def test_create_taxonomy(capsys, project_id: str, random_taxonomy_display_name: str):
 
     data_catalog_ptm_create_taxonomy.create_taxonomy(
-        project_id=project_id, location_id="us", display_name=random_taxonomy_display_name)
-    out, _ = capsys.readouterr()
-    assert (
-        f'Created taxonomy projects/{project_id}/locations/us/taxonomies/'
-        in out
+        project_id=project_id,
+        location_id="us",
+        display_name=random_taxonomy_display_name,
     )
+    out, _ = capsys.readouterr()
+    assert f"Created taxonomy projects/{project_id}/locations/us/taxonomies/" in out