def get_schematron(sct_path):
    """Return an lxml ``isoschematron.Schematron()`` instance using the
    schematron file at ``sct_path``.
    """
    sct_path = _get_file_path(sct_path)
    parser = etree.XMLParser(remove_blank_text=True)
    sct_doc = etree.parse(sct_path, parser=parser)
    return isoschematron.Schematron(sct_doc, store_report=True)