diff --git a/.github/actions/ensure_backporting/add_labels.py b/.github/actions/ensure_backporting/add_labels.py
index 8d1145a..e241e58 100644
--- a/.github/actions/ensure_backporting/add_labels.py
+++ b/.github/actions/ensure_backporting/add_labels.py
@@ -13,12 +13,8 @@ class RequestError(Exception):
 
 
 def main():
-    parser = argparse.ArgumentParser(
-        description="Ensure an issue contains the backport labels."
-    )
-    parser.add_argument(
-        "--issue-id", type=int, required=True, help="The pull request number."
-    )
+    parser = argparse.ArgumentParser(description="Ensure an issue contains the backport labels.")
+    parser.add_argument("--issue-id", type=int, required=True, help="The pull request number.")
     parser.add_argument(
         "--repository",
         type=str,
@@ -29,7 +25,7 @@ def main():
     # Get list of labels attached to the pull requests
     headers = {
         "Accept": "application/vnd.github+json",
-        "Authorization": "Bearer {0}".format(os.environ.get("GITHUB_TOKEN")),
+        "Authorization": "Bearer {}".format(os.environ.get("GITHUB_TOKEN")),
         "X-GitHub-Api-Version": "2022-11-28",
     }
 
@@ -40,7 +36,9 @@ def main():
     )
     if not response.ok:
         raise RequestError(response.reason)
-    issue_backport_labels = [i['name'] for i in response.json() if re.match("^backport-[0-9]*$", i["name"])]
+    issue_backport_labels = [
+        i["name"] for i in response.json() if re.match("^backport-[0-9]*$", i["name"])
+    ]
 
     # Get Repository Labels
     response = requests.get(
@@ -49,10 +47,14 @@ def main():
     )
     if not response.ok:
         raise RequestError(response.reason)
-    repository_backport_labels = [i['name'] for i in response.json() if re.match("^backport-[0-9]*$", i["name"])]
+    repository_backport_labels = [
+        i["name"] for i in response.json() if re.match("^backport-[0-9]*$", i["name"])
+    ]
 
     labels_to_add = list(set(repository_backport_labels) - set(issue_backport_labels))
-    print(f"issue_backport_labels = {issue_backport_labels} - repository_backport_labels = {repository_backport_labels} - labels_to_add = {labels_to_add}")
+    print(
+        f"issue_backport_labels = {issue_backport_labels} - repository_backport_labels = {repository_backport_labels} - labels_to_add = {labels_to_add}"
+    )
     if labels_to_add:
         data = {"labels": labels_to_add}
         response = requests.post(
@@ -65,4 +67,4 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()