code: def content_edge_check(self, url):
  		
  		prefixes = ["http://", "https://"]
  		for prefix in prefixes:
  			if url.startswith(prefix):
  				url = url[len(prefix):]
  				break
  		content = self._fetch("/content/edge_check/%s" % url)
  		return content
docs: Retrieve headers and MD5 hash of the content for a particular url from each Fastly edge server.