* and stop setting default values in python operator code, so defaults can be set at the server side.

This issue is just for the PR and questions from maintainers. 
airflow/providers/yandex/hooks/yandex.py
#
#
import json
import warnings
from typing import Any, Dict, Optional, Union
import yandexcloud
from airflow.exceptions import AirflowException
from airflow.hooks.base import BaseHook
class YandexCloudBaseHook(BaseHook):