code: def kml_cta_rail_lines(xml_data_path, datapath):
      """
      Returns the path (as `str`) to the `cta_rail_lines.kml` example file.
  
      Examples
      --------
      >>> def test_read_xml(kml_cta_rail_lines):
      ...     read_xml(
      ...         kml_cta_rail_lines,
      ...         xpath=".//k:Placemark",
      ...         namespaces={"k": "http://www.opengis.net/kml/2.2"},
      ...         stylesheet=xsl_flatten_doc,
      ...     )
      """
      return datapath(xml_data_path / "cta_rail_lines.kml")
  
file_path: pandas/pandas/tests/io/xml/conftest.py
imports: from pathlib import Path
  import pytest
label_desc: Use image node_id 5 for calling a global function with example usage: kml_cta_rail_lines(xml_data_path, datapath) and returns: datapath