[HANDS-ON BUG]

# Describe the bug

A clear and concise description of what the bug is.
**Please share your notebook link so that we can reproduce the error**
https://colab.research.google.com/github/huggingface/deep-rl-class/blob/main/notebooks/unit1/unit1.ipynb#scrollTo=w7vOFlpA_ONz

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ModuleNotFoundError Traceback (most recent call last)

[/usr/local/lib/python3.11/dist-packages/gymnasium/envs/box2d/bipedal_walker.py](https://localhost:8080/#) in
14 try:
---> 15 import Box2D
16 from Box2D.b2 import (

ModuleNotFoundError: No module named 'Box2D'

The above exception was the direct cause of the following exception:

DependencyNotInstalled Traceback (most recent call last)

15 frames

[/usr/local/lib/python3.11/dist-packages/gymnasium/envs/box2d/bipedal_walker.py](https://localhost:8080/#) in
23 )
24 except ImportError as e:
---> 25 raise DependencyNotInstalled(
26 'Box2D is not installed, you can install it by run `pip install swig` followed by `pip install "gymnasium[box2d]"`'
27 ) from e

DependencyNotInstalled: Box2D is not installed, you can install it by run `pip install swig` followed by `pip install "gymnasium[box2d]"`

# Material

- Did you use Google Colab? - yes

If not:
- Your Operating system (OS)
- Version of your OS