class_docstr: A dummy discrete environment.
class_docstr_tok: ["A","dummy","discrete","environment","."]
code: def observation_space(self, observation_space):
      self._observation_space = observation_space
  
file_path: garage/tests/fixtures/envs/dummy/dummy_discrete_2d_env.py
imports: import gym
  import numpy
  from tests.fixtures.envs.dummy import DummyEnv
label_desc: Use image node_id 3 for calling the DummyDiscrete2DEnv obj's underlying member method code with example usage: obj.observation_space(observation_space) without return types