code: def test_mr_codex_type(jf):
      assert jf.match_rating_codex("abc") == "ABC"
      with pytest.raises(TypeError) as exc:
          jf.match_rating_codex(b"abc")
  
imports: import csv
  import pytest
label_desc: Use image node_id 25 for calling a global function with example usage: test_mr_codex_type(jf) without return types