(self)
return self.backend.SECURITY_URL
The URL of the mirror that serves security updates for this :attr:`backend` (a string).
The URL of the mirror that serves security updates for this :attr:`backend` (a string).
The URL of the mirror that serves security updates for this : attr : backend ( a string ) .
def security_url(self):
        """The URL of the mirror that serves security updates for this :attr:`backend` (a string)."""
        return self.backend.SECURITY_URL
def security_url ( self ) : return self . backend . SECURITY_URL