title: Error in importing environment OpenAI Gym
body: <p>I am trying to run an OpenAI Gym environment however I get the following error:</p>
  <pre><code>import gym
  env = gym.make('Breakout-v0')
  </code></pre>
  <p>ERROR</p>
  <pre><code>/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/ale_py/gym/environment.py:11: DeprecationWarning: Importing atari-py roms won't be supported in future releases of ale-py.
    import ale_py.roms as roms
  A.L.E: Arcade Learning Environment (version +a54a328)
  [Powered by Stella]
  Traceback (most recent call last):
    File &quot;/Users/username/Desktop/OpenAI Gym Stuff/OpenAI_Exp.py&quot;, line 2, in &lt;module&gt;
      env = gym.make('Breakout-v0')
    File &quot;/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/gym/envs/registration.py&quot;, line 200, in make
      return registry.make(id, **kwargs)
    File &quot;/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/gym/envs/registration.py&quot;, line 105, in make
      env = spec.make(**kwargs)
    File &quot;/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/gym/envs/registration.py&quot;, line 75, in make
      env = cls(**_kwargs)
    File &quot;/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/ale_py/gym/environment.py&quot;, line 123, in __init__
      self.seed()
    File &quot;/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/ale_py/gym/environment.py&quot;, line 171, in seed
      raise error.Error(
  gym.error.Error: Unable to find game &quot;Breakout&quot;, did you import Breakout with ale-import-roms?
  </code></pre>