diff --git a/social_core/backends/open_id_connect.py b/social_core/backends/open_id_connect.py
index e1e0f561..edba10fe 100644
--- a/social_core/backends/open_id_connect.py
+++ b/social_core/backends/open_id_connect.py
@@ -4,8 +4,13 @@
 from calendar import timegm
 
 import jwt
+from jwt import (
+    ExpiredSignatureError,
+    InvalidAudienceError,
+    InvalidTokenError,
+    PyJWTError,
+)
 from jwt.utils import base64url_decode
-from jwt import ExpiredSignatureError, InvalidTokenError, PyJWTError, InvalidAudienceError
 
 from social_core.backends.oauth import BaseOAuth2
 from social_core.exceptions import AuthTokenError
@@ -190,7 +195,9 @@ def find_valid_key(self, id_token):
                 rsakey = jwt.PyJWK(key)
                 message, encoded_sig = id_token.rsplit(".", 1)
                 decoded_sig = base64url_decode(encoded_sig.encode("utf-8"))
-                if rsakey.Algorithm.verify(message.encode("utf-8"), rsakey.key, decoded_sig):
+                if rsakey.Algorithm.verify(
+                    message.encode("utf-8"), rsakey.key, decoded_sig
+                ):
                     return key
         return None
 
@@ -229,7 +236,7 @@ def validate_and_return_id_token(self, id_token, access_token):
 
         # pyjwt does not validate OIDC claims
         # see https://github.com/jpadilla/pyjwt/pull/296
-        if claims.get("at_hash") != self.calc_at_hash(access_token, key['alg']):
+        if claims.get("at_hash") != self.calc_at_hash(access_token, key["alg"]):
             raise AuthTokenError(self, "Invalid access token")
 
         self.validate_claims(claims)
@@ -271,4 +278,8 @@ def calc_at_hash(access_token, algorithm):
         """
         alg_obj = jwt.get_algorithm_by_name(algorithm)
         digest = alg_obj.compute_hash_digest(access_token.encode("utf-8"))
-        return base64.urlsafe_b64encode(digest[: (len(digest) // 2)]).decode("utf-8").rstrip("=")
+        return (
+            base64.urlsafe_b64encode(digest[: (len(digest) // 2)])
+            .decode("utf-8")
+            .rstrip("=")
+        )
diff --git a/social_core/tests/backends/test_auth0.py b/social_core/tests/backends/test_auth0.py
index 5c358ee3..659a9ef1 100644
--- a/social_core/tests/backends/test_auth0.py
+++ b/social_core/tests/backends/test_auth0.py
@@ -45,7 +45,7 @@ class Auth0OAuth2Test(OAuth2Test):
                     "picture": "http://example.com/image.png",
                     "sub": "123456",
                     "iss": f"https://{DOMAIN}/",
-                    "aud": "a-key"
+                    "aud": "a-key",
                 },
                 jwt.PyJWK(JWK_KEY).key,
                 algorithm="RS256",
diff --git a/social_core/tests/backends/test_open_id_connect.py b/social_core/tests/backends/test_open_id_connect.py
index ff2d2bf8..739c5efe 100644
--- a/social_core/tests/backends/test_open_id_connect.py
+++ b/social_core/tests/backends/test_open_id_connect.py
@@ -6,8 +6,8 @@
 from calendar import timegm
 from urllib.parse import urlparse
 
-from httpretty import HTTPretty
 import jwt
+from httpretty import HTTPretty
 
 from social_core.backends.open_id_connect import OpenIdConnectAuth
 
@@ -155,7 +155,9 @@ def prepare_access_token_body(
 
         body["id_token"] = jwt.encode(
             id_token,
-            key=jwt.PyJWK(dict(self.key, iat=timegm(issue_datetime.utctimetuple()), nonce=nonce)).key,
+            key=jwt.PyJWK(
+                dict(self.key, iat=timegm(issue_datetime.utctimetuple()), nonce=nonce)
+            ).key,
             algorithm="RS256",
             headers=dict(kid=kid) if kid else None,
         )