code: def test_label_none(doc_inject):
      doc_str = None
      context, run_id = doc_inject(doc_str)
      telemetry = context.get_run_telemetry(run_id)
      assert "9" not in telemetry
  
file_path: wandb/tests/pytest_tests/system_tests/test_core/test_label_full.py
imports: import inspect
  import sys
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: test_label_none(doc_inject) without return types