r = requests.get(f'{url}/sitemap.xml')
data_dict = xmltodict.parse(r.content)
if key and len(key.split('.')) > 0:
data = data_dict.get(keys.pop())
data = data.get(keys.pop())
df = pd.DataFrame.from_dict(data=data)
elif key and data_dict.get(key):
df = pd.DataFrame.from_dict(data=data_dict.get(key))
df = pd.DataFrame.from_dict(data=data_dict)