code: def sagemaker_session(client, boto_session):
      return Session(
          sagemaker_client=client,
          boto_session=boto_session,
      )
  
imports: from __future__ import absolute_import
  import json
  import os
  import shutil
  import tempfile
  from mock import Mock, PropertyMock, call
  import pytest
  from src.sagemaker.experiments._helper import _LineageArtifactTracker, _ArtifactUploader
  from src.sagemaker.experiments._utils import resolve_artifact_name
  from src.sagemaker.session import Session
  from tests.unit import _test_default_bucket_and_prefix_combinations, DEFAULT_S3_OBJECT_KEY_PREFIX_NAME, DEFAULT_S3_BUCKET_NAME
label_desc: Use image node_id 3 for calling a global function with example usage: sagemaker_session(client, boto_session) and returns: Session