code: def start_session(cls, integration):
      try:
          prev_session = cls._session
          if prev_session is None:
              session_id = uuid.uuid4().hex
              cls._session = AutologgingSession(integration, session_id)
          yield cls._session
      finally:
          # Only end the session upon termination of the context if we created
          # the session; otherwise, leave the session open for later termination
          # by its creator
          if prev_session is None:
              cls._end_session()
  
imports: import abc
  import functools
  import inspect
  import itertools
  import typing
  import uuid
  from abc import abstractmethod
  from contextlib import contextmanager
  import mlflow
  import mlflow.utils.autologging_utils
  from mlflow.entities.run_status import RunStatus
  from mlflow.environment_variables import _MLFLOW_AUTOLOGGING_TESTING
  from mlflow.tracking.client import MlflowClient
  from mlflow.utils import gorilla, is_iterator
  from mlflow.utils.autologging_utils import _logger
  from mlflow.utils.autologging_utils.events import AutologgingEventLogger
  from mlflow.utils.autologging_utils.logging_and_warnings import set_mlflow_events_and_warnings_behavior_globally, set_non_mlflow_warnings_behavior_for_current_thread
  from mlflow.utils.mlflow_tags import MLFLOW_AUTOLOGGING
label_desc: Use image node_id 1 for calling the _AutologgingSessionManager obj's underlying member method code with example usage: obj.start_session(cls, integration) without return types