code: def test_manual_learners_cntk_noErrors(nb):
      if os.getenv("OS") == "Windows_NT" and sys.version_info[0] == 2:
          pytest.skip(
              "tests with Python 2.7 on Windows are not stable in the CI environment. "
          )
      errors = [
          output
          for cell in nb.cells
          if "outputs" in cell
          for output in cell["outputs"]
          if output.output_type == "error"
      ]
      assert errors == []
  
imports: import os
  import sys
  import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: test_manual_learners_cntk_noErrors(nb) without return types