diff --git a/src/sd_jwt/common.py b/src/sd_jwt/common.py
index a76793f..abad28e 100644
--- a/src/sd_jwt/common.py
+++ b/src/sd_jwt/common.py
@@ -128,7 +128,7 @@ def _parse_sd_jwt(self, sd_jwt):
             (
                 self._unverified_input_sd_jwt,
                 *self._input_disclosures,
-                self._unverified_input_key_binding_jwt,
+                self._unverified_input_key_binding_jwt
             ) = self._split(sd_jwt)
 
             # Extract only the body from SD-JWT without verifying the signature
@@ -164,7 +164,7 @@ def _parse_sd_jwt(self, sd_jwt):
                     [
                         self._unverified_input_sd_jwt_parsed["protected"],
                         self._unverified_input_sd_jwt_parsed["payload"],
-                        self._unverified_input_sd_jwt_parsed["signature"],
+                        self._unverified_input_sd_jwt_parsed["signature"]
                     ]
                 )
 
@@ -199,6 +199,6 @@ def _calculate_kb_hash(self, disclosures):
         string_to_hash = self._combine(
             self._unverified_compact_serialized_input_sd_jwt,
             *disclosures,
-            "",
+            ""
         )
         return self._b64hash(string_to_hash.encode("ascii"))
diff --git a/tests/test_disclose_all_shortcut.py b/tests/test_disclose_all_shortcut.py
index b34cfae..fb99d2b 100644
--- a/tests/test_disclose_all_shortcut.py
+++ b/tests/test_disclose_all_shortcut.py
@@ -70,7 +70,7 @@ def cb_get_issuer_key(issuer, header_parameters):
 
     expected_header_parameters = {
         "alg": testcase.get("sign_alg", "ES256"),
-        "typ": "testcase+sd-jwt",
+        "typ": "testcase+sd-jwt"
     }
     expected_header_parameters.update(extra_header_parameters)