code: def _passable(self, pos):
      return self.maze[pos.x, pos.y] != Element.WALL
  
imports: import logging
  from typing import NamedTuple
  import numpy
  from gym import Env
  from gym.spaces import Box, Discrete
label_desc: Use image node_id 3 for calling the PocManEnv obj's underlying member method code with example usage: obj._passable(pos) and returns: unknown