KeyError: 'render_modes' raised by gym_super_mario_bros.make('SuperMarioBros-v0') #116
Description
Describe the bug
The sample code on https://pypi.org/project/gym-super-mario-bros/ raises KeyError: 'render_modes' with latest install
Reproduction Script
install:
pip install gym-super-mario-bros
code:
from nes_py.wrappers import JoypadSpace
import gym_super_mario_bros
from gym_super_mario_bros.actions import SIMPLE_MOVEMENT
env = gym_super_mario_bros.make('SuperMarioBros-v0')
env = JoypadSpace(env, SIMPLE_MOVEMENT)
done = True
for step in range(5000):
if done:
state = env.reset()
state, reward, done, info = env.step(env.action_space.sample())
env.render()
env.close()
Expected behavior
Code should execute without error
Screenshots
KeyError Traceback (most recent call last)
Input In [1], in <cell line: 4>()
2 import gym_super_mario_bros
3 from gym_super_mario_bros.actions import SIMPLE_MOVEMENT
----> 4 env = gym_super_mario_bros.make('SuperMarioBros-v0')
5 env = JoypadSpace(env, SIMPLE_MOVEMENT)
7 done = True
File ~\Miniconda3\envs\rlgames\lib\site-packages\gym\envs\registration.py:625, in make(id, max_episode_steps, autoreset, new_step_api, disable_env_checker, **kwargs)
623 # If we have access to metadata we check that "render_mode" is valid
624 if hasattr(env_creator, "metadata"):
--> 625 render_modes = env_creator.metadata["render_modes"]
627 # We might be able to fall back to the HumanRendering wrapper if 'human' rendering is not supported natively
628 if (
629 mode == "human"
630 and "human" not in render_modes
631 and ("single_rgb_array" in render_modes or "rgb_array" in render_modes)
632 ):
KeyError: 'render_modes'
Additional context
Using Windows 11, Python 3.8 in Conda env
Add any other context about the problem here.