in utils/sitemap.py [0:0]
def __str__(self):
return '<SitemapURL url="{0}"{1}{2}{3}/>'.format(
self.url,
'' if self.changefreq is None else ' changefreq="{0}"'.format(self.changefreq),
'' if self.priority is None else ' priority="{0}"'.format(self.priority),
'' if not self.to_remove else ' remove="true"',
)