Fix k8s-extension/private Build Issues

src/k8s-extension/azext_k8s_extension/custom.py

@@ -5,7 +5,7 @@
 
 # pylint: disable=unused-argument,too-many-locals
 
-from azext_k8s_extension.utils import (
+from .utils import (
     get_cluster_rp_api_version,
     is_dogfood_cluster,
     read_config_settings_file,

src/k8s-extension/azext_k8s_extension/partner_extensions/AzureMLKubernetes.py

@@ -10,7 +10,7 @@
 import copy
 from hashlib import md5
 from typing import Any, Dict, List, Tuple
-from azext_k8s_extension.utils import get_cluster_rp_api_version
+from ..utils import get_cluster_rp_api_version
 
 import azure.mgmt.relay
 import azure.mgmt.relay.models

src/k8s-extension/azext_k8s_extension/utils.py

@@ -6,7 +6,7 @@
 import json
 from typing import Tuple
 from urllib.parse import urlparse
-from azext_k8s_extension import consts
+from . import consts
 from azure.cli.core.azclierror import InvalidArgumentValueError