def detect_processing_qc_warnings(html_file):
    """
    Look for warning text in processing_qc.html file

    Arguments:
      html_file (str): path to HTML report file

    Returns:
      Boolean: True if warnings were found, False if not.
    """
    with open(html_file) as fp:
        for line in fp:
            if "Status: WARNINGS" in line:
                return True
                break
    return False