fix: attempt to fix coverage check

edx_rest_framework_extensions/auth/jwt/decoder.py

@@ -251,7 +251,14 @@ def _verify_jwt_signature(token, jwt_issuer, decode_symmetric_token):
 
 
 def verify_jwk_signature_using_keyset(token, key_set, aud=None, iss=None, verify_signature=True, verify_exp=True):
-
+    """
+    Verifies the JWS using the provided keyset.
+    It loops through the available keys in the keyset
+    to find that if there is any key which can be used to verify
+    the signature.
+    The audience and issuer arguments will be verified if they are passed
+    while calling the method.
+    """
     options = {
         'verify_signature': verify_signature,
         'verify_exp': verify_exp,