diff --git a/run.py b/run.py
index a4eb067..9c8ff4c 100755
--- a/run.py
+++ b/run.py
@@ -31,7 +31,9 @@ def get_env(name) -> str:
     env = FTEST_AUTH = os.environ.get(name)
     logger.info(f"Environment: {name}: {env}")
     if env is None:
-        raise Exception(f"Please set environment variable {name}. See https://git.batsense.net/ForgeFlux/webfinger-test#environment-variables")
+        raise Exception(
+            f"Please set environment variable {name}. See https://git.batsense.net/ForgeFlux/webfinger-test#environment-variables"
+        )
     return env
 
 
@@ -69,7 +71,7 @@ def test_main_params(resp):
     assert "subject" in resp, "Parameter 'subject' is not present in WebFinger response"
     assert "links" in resp, "Parameter 'links' is not present in WebFinger response"
     logger.info(
-        "[SUCCESS] WebFinger response has 'subject', 'aliases' and 'links' parameters'"
+        "[SUCCESS] WebFinger response has 'subject', 'aliases' and 'links' parameters"
     )
 
 
@@ -121,9 +123,9 @@ def test_subject(resp):
 
 def test_access_control_allow_origin(resp):
     # request.headers is case insensitive
-    assert resp.headers[
-        "access-control-allow-origin"
-    ] == "*", "Access-Control-Allow-Origin header should be '*' to allow any domain to access the resource with CORS. Please see https://www.rfc-editor.org/rfc/rfc7033.html#section-5"
+    assert (
+        resp.headers["access-control-allow-origin"] == "*"
+    ), "Access-Control-Allow-Origin header should be '*' to allow any domain to access the resource with CORS. Please see https://www.rfc-editor.org/rfc/rfc7033.html#section-5"
     logger.info("[SUCESS] WebFinger endpoint is configured correctly for CORS")
 
 
@@ -133,9 +135,9 @@ if __name__ == "__main__":
     resp = query_webfinger()
     json = resp.json()
     score += 1
-    
+
     success = []
-    failures = { }
+    failures = {}
 
     try:
         test_main_params(json)
@@ -168,7 +170,6 @@ if __name__ == "__main__":
         logger.error(e)
         failures["test_access_control_allow_origin"] = e
 
-
     print("\n\n===============")
     if score == max_score:
         print("All tests passed")