class_docstr: Base class for a backend manager class 
class_docstr_tok: ["Base","class","for","a","backend","manager","class"]
docstr: Set a new default session to the system
  
  Warning: Use only for debug and testing
  :param session: The new default session
docstr_tok: ["Set","a","new","default","session","to","the","system","Warning",":","Use","only","for","debug","and","testing",":","param","session",":","The","new","default","session"]
code: def _set_default_session(cls, session):
      """
      Set a new default session to the system
  
      Warning: Use only for debug and testing
      :param session: The new default session
      """
  
      InterfaceBase._default_session = session
  
imports: import abc
  import requests.exceptions
  import six
  import jsonschema
  from ..backend_api import Session, CallResult
  from ..backend_api.session.session import MaxRequestSizeError
  from ..backend_api.session.response import ResponseMeta
  from ..backend_api.session import BatchRequest
  from ..backend_api.session.defs import ENV_ACCESS_KEY, ENV_SECRET_KEY, ENV_OFFLINE_MODE
  from ..config import config_obj
  from ..config.defs import LOG_LEVEL_ENV_VAR
  from ..debugging import get_logger
  from .session import SendError, SessionInterface
label_desc: Use image node_id 8 for calling the InterfaceBase obj's underlying member method code with example usage: obj._set_default_session(cls, session) without return types