def METHOD_NAME(build_dir="", file_out="nds-fpyield.html"):
    """Grabs the NDS fission product yields from the IAEA website"""
    build_filename = os.path.join(build_dir, file_out)
    local_filename = os.path.join(os.path.dirname(__file__), file_out)
    if os.path.exists(local_filename):
        shutil.copy(local_filename, build_filename)
        return
    nist = urllib2.urlopen("https://www-nds.iaea.org/sgnucdat/c3.htm")
    with open(build_filename, "wb") as f:
        f.write(nist.read())