have AzureKeyCredentialPolicy accept and ignore kwargs (#11963)

Author: iscai-msft

sdk/core/azure-core/CHANGELOG.md

@@ -3,6 +3,9 @@
 
 ## 1.6.1 (Unreleased)
 
+### Bug fixes
+
+- `AzureKeyCredentialPolicy` will now accept (and ignore) passed in kwargs  #11963
 
 ## 1.6.0 (2020-06-03)
 

sdk/core/azure-core/azure/core/pipeline/policies/_authentication.py

@@ -102,8 +102,8 @@ class AzureKeyCredentialPolicy(SansIOHTTPPolicy):
     :param str name: The name of the key header used for the credential.
     :raises: ValueError or TypeError
     """
-    def __init__(self, credential, name):
-        # type: (AzureKeyCredential, str) -> None
+    def __init__(self, credential, name, **kwargs):  # pylint: disable=unused-argument
+        # type: (AzureKeyCredential, str, Any) -> None
         super(AzureKeyCredentialPolicy, self).__init__()
         self._credential = credential
         if not name: