code: def relative(self):
  		
  		
  		scheme = self.scheme
  		
  		if not scheme:
  			return True
  		
  		return scheme.is_relative(self)
docs: Identify if this URI is relative to some "current context".
  		
  		For example, if the protocol is missing, it's protocol-relative. If the host is missing, it's host-relative, etc.