spark-submit operator dag issue with standalone server

[Karthik-PlantSense]

hi everyone,
i want to submit my python code through spark submit operator. but the dag got import error.
it is sayingBroken DAG: [/home/chaithanya/karthik/airflow/dags/sparkDag.py] Traceback (most recent call last): File "/home/chaithanya/karthik/airflow/lib64/python3.6/site-packages/airflow/providers/apache/spark/hooks/spark_submit.py", line 32, in <module> from airflow.kubernetes import kube_client File "/home/chaithanya/karthik/airflow/lib64/python3.6/site-packages/airflow/kubernetes/kube_client.py", line 101, in <module> ) -> client.CoreV1Api: NameError: name 'client' is not defined
anyone help me to submit my python file.
and also the connection for spark is

from airflow import DAG
from airflow.operators.bash_operator import BashOperator
from airflow.models import Variable
from airflow.providers.apache.spark.operators.spark_submit import SparkSubmitOperator
from datetime import datetime, timedelta

default_args = {
    'owner': 'airflow',
    'depends_on_past': False,
    'start_date': datetime(2020, 12, 22),
    'retries': 1,
    'retry_delay': timedelta(minutes=5),
    # 'queue': 'bash_queue',
    # 'pool': 'backfill',
    # 'priority_weight': 10,
}

dag = DAG(
    'tutorial_spark_operator', default_args=default_args, schedule_interval=None)

spark_submit_task = SparkSubmitOperator(
    task_id='spark-submit-python',
    conn_id='spark_default',
    application='/path to the file/file.py',
    total_executor_cores=4,
    executor_cores=2,
    executor_memory='5g',
    driver_memory='5g',
    name='spark airflow',
    execution_timeout=timedelta(minutes=1),
    verbose=True,
    dag=dag)```