code: def __init__(
      self,
      base_url: str,
      session: BaseSession,
      *,
      rate_limit: Optional[RateLimit] = None,
  ):
      self._base_url = base_url
      if rate_limit is not None:
          session = RateLimitedSession(
              session=session, rate_limit=rate_limit
          )
      self._session = session
  
imports: from types import TracebackType
  from typing import Any, Optional, Type, TypeVar
  from hailtop.utils import RateLimit
  from .session import BaseSession, RateLimitedSession
label_desc: Use image node_id 1 to create a new CloudBaseClient object  with example: obj = CloudBaseClient(base_url, session)