code: def test_atom_and_hetatm():
      rg = p1t48.gyradius(("ATOM", "HETATM"))
      expected_rg = 19.0307
      assert (
          rg == expected_rg
      ), f"Expected {expected_rg}, got {rg} instead"
  
file_path: biopandas/biopandas/pdb/tests/test_gyradius.py
imports: from biopandas.pdb import PandasPdb
  import os
  import pandas
  from nose.tools import raises
  import warnings
label_desc: Use image node_id 4 for calling a global function with example usage: test_atom_and_hetatm() without return types