adding missing import of KeyVaultAuthBase
@@ -12,7 +12,7 @@ import azure.mgmt.resource
from azure.mgmt.keyvault import KeyVaultManagementClient
from azure.mgmt.keyvault.models import \
(VaultCreateOrUpdateParameters, VaultProperties, Sku, AccessPolicyEntry, Permissions)
-from azure.keyvault import KeyVaultClient, KeyVaultAuthentication, HttpBearerChallenge
+from azure.keyvault import KeyVaultClient, KeyVaultAuthentication, KeyVaultAuthBase, HttpBearerChallenge
from azure.common.exceptions import (
CloudError
