Don't delete all nodes when empty string is passed

scripts/core_v1_api.diff

@@ -0,0 +1,16 @@
+diff --git a/kubernetes/client/api/core_v1_api.py b/kubernetes/client/api/core_v1_api.py
+index 282d9b88..8de09a11 100644
+--- a/kubernetes/client/api/core_v1_api.py
++++ b/kubernetes/client/api/core_v1_api.py
+@@ -13680,7 +13680,10 @@ class CoreV1Api(object):
+         del local_var_params['kwargs']
+         # verify the required parameter 'name' is set
+         if self.api_client.client_side_validation and ('name' not in local_var_params or  # noqa: E501
+-                                                        local_var_params['name'] is None):  # noqa: E501
++                                                        local_var_params['name'] is None or  # noqa: E501
++                                                        not len(local_var_params['name'].strip())):  # noqa: E501
++            raise ApiValueError("Missing the required parameter `name` when calling `delete_node`")  # noqa: E501
++        if not len(name):
+             raise ApiValueError("Missing the required parameter `name` when calling `delete_node`")  # noqa: E501
+
+         collection_formats = {}

scripts/update-client.sh

@@ -80,6 +80,8 @@ git apply "${SCRIPT_ROOT}/rest_client_patch.diff"
 git apply "${SCRIPT_ROOT}/rest_sni_patch.diff"
 # OpenAPI client generator prior to 6.4.0 uses deprecated urllib3 APIs.
 git apply "${SCRIPT_ROOT}/rest_urllib_headers.diff"
+# Delete Node fix for empty string
+git apply "${SCRIPT_ROOT}/core_v1_api.diff"
 
 echo ">>> generating docs..."
 pushd "${DOC_ROOT}" > /dev/null