code: def test_get_from_pip():
      with tempfile.TemporaryFile() as f:
          xtr = SupportMatrixExtractor("x", "22.02", f.name)
          xtr.get_from_pip("pip")
          assert xtr.data["x"]["22.02"].get("pip") == "22.0.4"
  
          xtr.get_from_pip("spam")
          assert (
              xtr.data["x"]["22.02"].get("spam")
              == SupportMatrixExtractor.ERROR
          )
  
file_path: Merlin/docs/test_extractor.py
imports: import json
  import os
  import shutil
  import tempfile
  from pathlib import Path
  from extractor import SupportMatrixExtractor
label_desc: Use image node_id 2 for calling a global function with example usage: test_get_from_pip() without return types