code: def test_init_required_positional(sagemaker_session):
      lda = LDA(
          ROLE,
          INSTANCE_TYPE,
          NUM_TOPICS,
          sagemaker_session=sagemaker_session,
      )
      assert lda.role == ROLE
      assert lda.instance_count == INSTANCE_COUNT
      assert lda.instance_type == INSTANCE_TYPE
      assert lda.num_topics == NUM_TOPICS
  
imports: from __future__ import absolute_import
  import pytest
  from mock import Mock, patch
  from sagemaker import image_uris
  from sagemaker.amazon.lda import LDA, LDAPredictor
  from sagemaker.amazon.amazon_estimator import RecordSet
  from sagemaker.session_settings import SessionSettings
label_desc: Use image node_id 2 for calling a global function with example usage: test_init_required_positional(sagemaker_session) without return types