(self, client=None)
The :class:`stdnet.BackendDatServer` for this instance.

        It can be ``None``.
The :class:`stdnet.BackendDatServer` for this instance.
The : class : stdnet . BackendDatServer for this instance .
def backend(self, client=None):
        '''The :class:`stdnet.BackendDatServer` for this instance.

        It can be ``None``.
        '''
        session = self.session
        if session:
            return session.model(self).backend
def backend ( self , client = None ) : session = self . session if session : return session . model ( self ) . backend