def remove_trkpt_namespaces(trkpt: ET.ElementTree,
namespaces: Dict[str, str]) -> None:
'''
By default the each trkpt and their sub-elements would have an
"ns0:" prefix on them. We don't want that, so we set the tag
manually.
'''
trkpt.tag = 'trkpt'
ele = trkpt.find('gpx:ele', namespaces)
ele.tag = 'ele'
time = trkpt.find('gpx:time', namespaces)
time.tag = 'time'
