Get agents from the managed environment.

        This is a managing function for the
        :py:meth:`~creamas.environment.Environment.get_agents`. Returned
        agent list excludes the environment's manager agent (this agent) by
        design.

def get_agents(self, addr=True, agent_cls=None, as_coro=False):
        """Get agents from the managed environment.

        This is a managing function for the
        :py:meth:`~creamas.environment.Environment.get_agents`. Returned
        agent list excludes the environment's manager agent (this agent) by
        design.
        """
        return self.env.get_agents(addr=addr, agent_cls=agent_cls)