[HANDS-ON BUG] Unit 4 PixelCopter environment not found

[igabirondo16]

Describe the bug

When trying to code the notebook of unit 4, I cannot create the pixelcopter enviroment.

Code:
env_id = "Pixelcopter-PLE-v0" env = gym.make(env_id) eval_env = gym.make(env_id) s_size = env.observation_space.shape[0] a_size = env.action_space.n

Error:
`---------------------------------------------------------------------------

NameNotFound Traceback (most recent call last)

/tmp/ipython-input-881273010.py in <cell line: 0>()
1 env_id = "Pixelcopter-PLE-v0"
----> 2 env = gym.make(env_id)
3 eval_env = gym.make(env_id)
4 s_size = env.observation_space.shape[0]
5 a_size = env.action_space.n

3 frames

/usr/local/lib/python3.12/dist-packages/gym/envs/registration.py in _assert_name_exists(self, namespace, name)
295 message += f" Did you mean: {suggestions[0]}?"
296 # Throw the error
--> 297 raise error.NameNotFound(message)
298
299 def _assert_version_exists(

NameNotFound: Environment Pixelcopter-PLE doesn't exist.`

A clear and concise description of what the bug is.
Please share your notebook link so that we can reproduce the error
notebook url

Material

• Did you use Google Colab? Yes

If not:

• Your Operating system (OS)
• Version of your OS