Import gymnasium as gym. Attributes¶ VectorEnv.

Import gymnasium as gym The input actions of step must be valid elements of action_space. envs import box2d. 2. 1. rgb rendering comes from tracking camera (so agent does not run away from screen) v2: All continuous control environments now use mujoco_py >= 1. - qgallouedec/panda-gym To help users with IDEs (e. sample() method), and batching functions (in gym. continuous=True converts the environment to use discrete action space. envs. Custom observation & action spaces can inherit from the Space class. make ("Pendulum-v1") # Stop training when the model reaches the reward threshold callback_on_best = StopTrainingOnRewardThreshold Built upon the foundation of Gymnasium (a maintained fork of OpenAI’s renowned Gym library) fancy_gym offers a comprehensive collection of reinforcement learning environments. functional as F env = gym. action Version History¶. However, unlike the traditional Gym environments, the envs. In this course, we will mostly address RL environments available in the OpenAI Gym framework:. Depending on the agent’s actions, the environment gives a reward (or penalty The output should look something like this. wrappers import RecordEpisodeStatistics, RecordVideo training_period = 250 # record the agent's episode every 250 num_training_episodes = 10_000 # total number of training episodes env = gym. from gym import spaces and uses the gym spaces to validate your gymnasium environment's import os from typing import Dict, List, Tuple import gymnasium as gym import matplotlib. 1 # number of training episodes # NOTE #custom_env. The total reward is: reward = alive_bonus - distance_penalty - velocity_penalty. g. reset() returns both observation and info; env. Gymnasium has many other spaces, but for the first few weeks, we are only going to use discrete spaces. v3: support for gym. You can set the number of individual environment """Implementation of a space that represents closed boxes in euclidean space. The envs. まずはgymnasiumのサンプル環境（Pendulum-v1）を学習できるコードを用意する。 今回は制御値（action）を連続値で扱いたいので強化学習のアルゴリズムはTD3を採用する 。. DataFrame->pandas. If it is not the case, you can use the preprocess param to make your datasets match the requirements. New Challenging Environments: fancy_gym includes several new environments (Panda Box Pushing, Table Tennis, etc. Space ¶ The (batched) 準備. The API contains four where the blue dot is the agent and the red square represents the target. import gymnasium as gym import numpy as np from stable_baselines3 import DDPG from stable_baselines3. Create an environment with custom parameters. append('location found above'). In this scenario, the background and track colours are different on every reset. Here is a quick example of how to train and run A2C on a CartPole environment: import gymnasium as gym from stable_baselines3 import A2C env = gym. $ python3 -c 'import gymnasium as gym' Traceback (most recent call last): File "<string>", line 1, in <module> File "/ho import sys !conda install --yes --prefix {sys. It provides a multitude of RL problems, from simple text-based problems with a few dozens of states (Gridworld, Taxi) to continuous control problems (Cartpole, Pendulum) to Atari games (Breakout, Space Invaders) to complex robotics simulators (Mujoco): import gymnasium as gym import math import random import matplotlib import matplotlib. step (your_agent. Env): r """A wrapper which can transform an environment from the old API to the new API. step() returns five values instead of four, including terminated and truncated; Gymnasium is actively maintained and provides improved API design, better type hinting, and support for newer Python versions. envs env = gym. There, you should specify the render-modes that are supported by your The team that has been maintaining Gym since 2021 has moved all future development to Gymnasium, a drop in replacement for Gym (import gymnasium as gym), and Gym will not be receiving any future updates. noop – The action used when no key input has been entered, or the entered key combination is unknown. We attempted, in grid2op, to maintain compatibility both with former versions and later ones. reset() and Env. Similarly, the format of valid observations is specified by env. import gymnasium as gym import gym_anytrading I get this error----> 1 import gym_anytrading ModuleNotFoundError: No module named 'gym_anytrading' Any idea? Back in the Jupyter notebook, add the following in the cell that imports the gym module:. Even if but you can still just install gym and from gym. 50. 1, culminating in Gymnasium v1. If the environment is already a bare environment, the gymnasium. This function takes a Observation Wrappers¶ class gymnasium. sample # Randomly sample an action observation, reward, terminated, truncated, info = env. Although import gymnasium as gym should do the trick within your own code, some of the Stable Baselines3 code still performs imports such as (see td3. """ # Because of google colab, we cannot implement the GUI ('human' render mode) metadata = {"render_modes": ["console"]} To represent states and actions, Gymnasium uses spaces. make ('minecart-v0') obs, info = env. - shows how to configure and setup this environment class within an RLlib Algorithm config. Share. vec_env import DummyVecEnv from stable_baselines3. Env class to follow a standard interface. Follow edited Jan 1, 2022 at 17:54. com. metadata All toy text environments were created by us using native Python libraries such as StringIO. common. If you're already using the latest release of Gym (v0. render(mode='rgb_array')) display. ) setting. To see more details on which env we are building for this example, take import gymnasium as gym env = gym. v5: Minimum mujoco version is now 2. -The old Atari entry point that was broken with the last release and the upgrade to ALE-Py is fixed. In a nutshell, Reinforcement Learning consists of an agent (like a robot) that interacts with its environment. Box2D- These environments all involve toy games based around physics control, using box2d See more import gymnasium as gym env = gym. utils import set_random_seed from stable_baselines3. Get it here. observation_space. env_runners(num_env_runners=. action_space attribute. 4, 2. Space ¶ The (batched) action space. 3. Note that we need to seed the action space separately from the import gymnasium as gym from gymnasium. callbacks import EvalCallback, StopTrainingOnRewardThreshold # Separate evaluation env eval_env = gym. On a new (fresh) Colab execute these: import gymnasium as gym import fancy_gym import time env = gym. nn as nn import torch. Thus, the action space can be either 1D or 2D. However, in this case the agent is Tutorials. make ("CartPole-v1", render_mode = "rgb_array") import gymnasium as gym from stable_baselines3 import SAC, TD3, A2C import os import argparse # Create directories to hold models and logs model_dir = "models" log_dir = "logs" os. Improve this answer. register_envs (ale_py) # Initialise the environment env = gym. ManagerBasedRLEnv implements a vectorized environment. The only remaining bit is that old documentation may still use Gym in examples. https://gym. import sys sys. Start python in interactive mode, like this: Gymnasium（競技場）は強化学習エージェントを訓練するためのさまざまな環境を提供するPythonのオープンソースのライブラリです。 もともとはOpenAIが開発したGymですが、2022年の10月に非営利団体のFarama Foundationが保守開発を受け継ぐことになったとの発表がありました。 Farama FoundationはGymを # import the class from functions_final import DeepQLearning # classical gym import gym # instead of gym, import gymnasium #import gymnasium as gym # create environment env=gym. Env setup: Environments in RLlib are located within the EnvRunner actors, whose number (n) you can scale through the config. display import clear_output import ale_py # if using gymnasium import shimmy import gym # or "import gymnasium as gym" print (gym. noop_max (int) – For No-op reset, the max number no-ops actions are taken at reset, to turn off, set to 0. dataset_dir (str) – A glob path that needs to match your datasets. You shouldn’t forget to add the metadata attribute to your class. Please switch over to Gymnasium as soon as you're able to do so. Follow answered Apr 21, 2023 at 13:47. spaces. vector. make kwargs such as xml_file, ctrl_cost_weight, reset_noise_scale etc. Getting Started With OpenAI Gym: The Basic Building Blocks; Reinforcement Q-Learning from Scratch in Python with OpenAI Gym; Tutorial: An Introduction to Reinforcement Learning Using OpenAI Gym Rendering Breakout-v0 in Google Colab with colabgymrender. 2 相同。 Gym简介 In this course, we will mostly address RL environments available in the OpenAI Gym framework:. 0, depends on gym, not on its newer gymnasium equivalent. unwrapped attribute will just return itself. Here's a basic example: import matplotlib. path. EnvRunner with gym. action_space. register_envs as a no-op function (the function literally does nothing) to Stable Baselines 3, at least up to 1. 7. 2 在其他方面与 Gym 0. Added reward_threshold to environments. Added support for fully custom/third party mujoco models using the xml_file argument (previously only a few changes could be made to the existing models). My cell looked like the following and we were good to go. Let us look at the source code of GridWorldEnv piece by piece:. Rewards¶. wait_on_player – Play should wait for a user action. This makes this class behave differently depending on the version of gymnasium you have installed!. frame_skip (int) – The number of frames between new observation the agents observations effecting the frequency at which the agent experiences the game. Particularly: The cart x-position (index 0) can be take values between (-4. 520 4 4 silver badges 15 15 bronze badges. make("myEnv") model = DQN(MlpPolicy, env, verbose=1) Yes I know, "myEnv" is not reproducable, but the environment itself is too large (along with the structure of the file system), but that is not the point of this question import gymnasium as gym import highway_env import numpy as np from stable_baselines3 import HerReplayBuffer, SAC, DDPG, TD3 from stable_baselines3. make("MountainCar-v0") Description# The Mountain Car MDP is a deterministic MDP that consists of a car placed stochastically at the bottom of a sinusoidal valley, with the only possible actions being the accelerations that can be applied to the car in either direction. Example >>> import gymnasium as gym >>> import import gymnasium as gym # NavigationGoal Environment env = gym. New step API refers to step() method returning (observation, reward, terminated, truncated, info) and reset() returning (observation, info). typing import NDArray import gymnasium as gym from gymnasium. Step 1: Install OpenAI Gym and Gymnasium pip install gym gymnasium Step 2: Import necessary modules and create an environment import gymnasium as gym import numpy as np env = gym. keys ()) 👍 6 raudez77, MoeenTB, aibenStunner, Dune-Z, Leyna911, and wpcarro reacted with thumbs up emoji 🎉 4 Elemento24, SandeepaDevin, aibenStunner, and srimannaini reacted with hooray emoji Addresses part of #1015 ### Dependencies - move jsonargparse and docstring-parser to dependencies to run hl examples without dev - create mujoco-py extra for legacy mujoco envs - updated atari extra - removed atari-py and gym dependencies - added ALE-py, autorom, and shimmy - created robotics extra for HER-DDPG ### Mac specific - only install envpool import time import gymnasium as gym import numpy as np from stable_baselines3 import A2C from stable_baselines3. noise import NormalActionNoise, OrnsteinUhlenbeckActionNoise env = gym. 0 has officially arrived! This release marks a major milestone for the Gymnasium project, refining the core API, addressing bugs, and enhancing features. make ('forex-v0') # env = gym. ) that present a higher degree of difficulty, pushing the Performance and Scaling#. import gymnasium as gym import mani_skill. The unique dependencies for this set of environments can be installed via: A modular, primitive-first, python-first PyTorch library for Reinforcement Learning. display(plt. py import gymnasium as gym from gymnasium import spaces from typing import List. Furthermore, some unit tests lap_complete_percent=0. distance_penalty: This reward is a measure of how far the tip of the second pendulum (the only free end) moves, Import. Box, Discrete, etc), and container classes (:class`Tuple` & Dict). This means that multiple environment instances are running simultaneously in the same process, and all Finally, you will also notice that commonly used libraries such as Stable Baselines3 and RLlib have switched to Gymnasium. Gymnasium is a maintained fork of OpenAI’s Gym library. All environments are highly configurable via arguments specified in each environment’s documentation. 21. make ("FetchPickAndPlace-v3", render_mode = "human") observation, info = env. reset (seed = 42) for _ in range (1000): action = policy (observation) # User-defined policy function observation, reward, terminated, truncated, info = env. ObservationWrapper (env: Env [ObsType, ActType]) [source] ¶. vec_env import DummyVecEnv, SubprocVecEnv from stable_baselines3. ``Warning: running in conda env, please deactivate before executing this script If conda is desired please so import numpy as np import gymnasium as gym from gymnasium import spaces class GoLeftEnv (gym. The tasks found in the AntMaze environments are the same as the ones in the PointMaze environments. Note that parametrized probability distributions (through the Space. A policy decides the agent’s actions. Therefore, using Gymnasium will actually make your life easier. evaluation import evaluate_policy from Change logs: Added in gym v0. ManagerBasedRLEnv class inherits from the gymnasium. Therefore, we have introduced gymnasium. Gym will not be receiving any future updates or 文章讲述了强化学习环境中gym库升级到gymnasium库的变化，包括接口更新、环境初始化、step函数的使用，以及如何在CartPole和Atari游戏中应用。 文中还提到了稳定基线库 (stable-baselines3)与gymnasium的结合，展示 It seems to me that you're trying to use https://pypi. openai. , import ale_py) this can cause the IDE (and pre-commit isort / black / flake8) to believe that the import is pointless and should be removed. v1: max_time_steps raised to 1000 for robot based tasks. Every environment specifies the format of valid actions by providing an env. pyplot as plt from collections import namedtuple, deque from itertools import count import torch import torch. save ("ppo_cartpole") del model # remove to import gymnasium as gym from stable_baselines3. Feras Alfrih Feras Alfrih. 8), but the episode terminates if the cart leaves the (-2. Wrapper. make ('fancy/BoxPushingDense-v0', render_mode = 'human') observation = env. make ("CartPole-v1", render_mode = "rgb_array") model = A2C import logging import gymnasium as gym from gymnasium. shape [-1] We have no idea on what it is such module, and how did you install it, so it is difficult to help. step and env. org/p/gym. Add a comment | 1 . action_space. reset ( seed = 42 ) for _ in range ( 1000 ): action = policy ( observation ) # User-defined policy function import gymnasium as gym from stable_baselines3 import DQN env = gym. import sys !pip3 install gym-anytrading When importing. env_util import make_vec_env from huggingface_sb3 import package_to_hub # PLACE the variables you've just defined two cells above # Define the name If you want to get to the environment underneath all of the layers of wrappers, you can use the gymnasium. Base on information in Release Note for 0. Gymnasium includes the following families of environments along with a wide variety of third-party environments 1. gym. >>> wrapped_env <RescaleAction<TimeLimit<OrderEnforcing<PassiveEnvChecker<HopperEnv<Hopper import gymnasium as gym import ale_py if __name__ == '__main__': env = gym. To see all environments you can create, use pprint_registry() . make("LunarLander-v2") Hope this helps! Share. Set of robotic environments based on PyBullet physics engine and gymnasium. Describe the bug Importing gymnasium causes a python exception to be raised. alive_bonus: Every timestep that the Inverted Pendulum is healthy (see definition in section “Episode End”), it gets a reward of fixed value healthy_reward (default is \(10\)). If you would like to apply a function to only the observation before passing it to the learning code, you can simply inherit from ObservationWrapper and overwrite the method observation() to As pointed out by the Gymnasium team, the max_episode_steps parameter is not passed to the base environment on purpose. env – The environment to apply the preprocessing. 21 2 2 bronze badges. 4) range. To create a custom environment, there are some mandatory methods to define for the custom environment class, or else the class will not function properly: Import statement: gymnasium instead of gym; env. py,it shows ModuleNotFoundError: No module named 'gymnasium' even in the conda enviroments. To see all environments you can create, use pprint_registry(). PROMPT> pip install "gymnasium[atari, accept-rom-license]" In order to launch a game in a playable mode. env_util import make_vec_env # Parallel environments vec_env = make_vec_env ("CartPole-v1", n_envs = 4) model = PPO ("MlpPolicy", vec_env, verbose = 1) model. seed – Random seed used when resetting the environment. 0, a stable release focused on improving the API (Env, Space, and Parameters. 0 (which is not ready on pip but you can install from GitHub) there was some change in ALE (Arcade Learning Environment) and it made all problem but it is fixed in 0. - qgallouedec/panda-gym. The Gymnasium interface is simple, pythonic, and capable of representing general RL problems, and has a compatibility wrapper for old Gym environments: Gymnasium provides a number of compatibility methods for a range of Environment implementations. The control of throttle and steering can be enabled or disabled through the longitudinal and lateral configurations, respectively. make ("ALE/Breakout-v5", render_mode = "human") # Reset the environment to generate the first observation observation, info = env. optim as optim from IPython. sleep (1 / env. registry. make ("Pendulum-v1", render_mode = "rgb_array") # The noise objects for DDPG n_actions = env. Old step API refers to step() method returning (observation, reward, done, info), and reset() only retuning the observation. 0 of Gymnasium by simply replacing import gym with import gymnasium as gym with no additional steps. py for instance):. preprocess (function<pandas. Even if there might be some small issues, I am sure you will be able to fix them. Furthermore, make() provides a number of additional arguments for specifying keywords to the environment, adding more or less wrappers, etc. makedirs(model_dir, exist_ok=True) os. make ("parking-v0") # Create 4 artificial transitions per real transition n_sampled_goal = 4 # SAC hyperparams: import gymnasium as gym import gymnasium_robotics gym. , VSCode, PyCharm), when importing modules to register environments (e. optim as optim import torch. pyplot as plt import numpy as np import torch import torch. If None, no seed is used. step (action) time. Attributes¶ VectorEnv. """ from __future__ import annotations from typing import Any, Iterable, Mapping, Sequence, SupportsFloat import numpy as np from numpy. Please create a new Colab notebook, Click on File -> New notebook. The pole angle can be observed between (-. learn (total_timesteps = 25000) model. - pytorch/rl Warning. act (obs)) # Optionally, you can scalarize the reward A standard API for reinforcement learning and a diverse set of reference environments (formerly Gym) The team that has been maintaining Gym since 2021 has moved all future development to Gymnasium, a drop in replacement for Gym (import gymnasium as gym), and Gym will not be receiving any future updates. 0. make('stocks-v0') This will create the default environment. render for i in range (1000): action = env. make('gym_navigation:NavigationGoal-v0', render_mode='human', track_id=2) Currently, only one track has been implemented in each environment. A space is just a Python class that describes a mathematical sets and are used in Gym to specify valid actions and observations: for example, Discrete(n) is a space that contains n integer values. The gym package has some breaking API change since its version 0. answered Jan 1, 2022 at 17:49. make ( "MiniGrid-Empty-5x5-v0" , render_mode = "human" ) observation , info = env . make('CartPole-v0') env. reset # but vector_reward is a numpy array! next_obs, vector_reward, terminated, truncated, info = env. These environments are designed to be extremely simple, with small discrete state and action spaces, and hence easy to learn. The Code Explained#. make("LunarLander-v3", render_mode="rgb_array") # next we'll wrap the class EnvCompatibility (gym. Ho Li Yang Ho Li Yang. Added default_camera_config argument, a dictionary for setting the mj_camera properties, mainly useful for custom environments. VectorEnv. register_envs (gymnasium_robotics) env = gym. - runs the experiment with the configured algo, trying to solve the environment. 29. If None, default key_to_action mapping for that environment is used, if provided. make('CartPole-v1') Step 3: Define the agent’s policy It provides a standard Gym/Gymnasium interface for easy use with existing learning workflows like reinforcement learning (RL) and imitation learning (IL). The team that has been maintaining Gym since 2021 has moved all future development to Gymnasium, a drop in replacement for Gym (import gymnasium as gym), and Gym will not be receiving any future updates. make('CartPole-v1') # select the parameters gamma=1 # probability parameter for the epsilon-greedy approach epsilon=0. You can change any parameters such as dataset, frame_bound, etc. step() using observation() function. sample(). DataFrame>) – . functional as F import torch. My guesses you installed not within the virtual environment you are using, or just a bug on the installation (or documentation) of the module After years of hard work, Gymnasium v1. make ('highway-v0', config = {"action": {"type": "ContinuousAction"}}) Note. reset env. Key Features:. Classic Control- These are classic reinforcement learning based on real-world problems and physics. 418 import gymnasium as gym env = gym. import gymnasium as gym import mo_gymnasium as mo_gym import numpy as np # It follows the original Gymnasium API env = mo_gym. 8, 4. I’ve and the type of observations (observation space), etc. make ("CartPole-v1") # set up matplotlib is_ipython = 'inline' in import gymnasium as gym env = gym. make("CartPole-v1") Understanding Reinforcement Learning Concepts in Gymnasium. reset() for _ in range import gymnasium as gym from stable_baselines3 import SAC from stable_baselines3. 2 (gym #1455) Parameters:. Over 200 pull requests have been merged since version 0. 27. 2), then you can switch to v0. Env. space import Space def array_short_repr (arr: NDArray [Any I want to play with the OpenAI gyms in a notebook, with the gym being rendered inline. It aims to be a drop-in replacement for Gym Set of robotic environments based on PyBullet physics engine and gymnasium. In the example above we sampled random actions via env. You'd want to run in the terminal (before typing python, when the $ prompt is visible): pip install gym After that, if you run python, you should be able to run However, gym is not maintained by OpenAI anymore since September 2022. prefix} -c anaconda gymnasium was successfully completed as well as. domain_randomize=False enables the domain randomized variant of the environment. We can, however, use a simple Gymnasium wrapper to inject it into the base environment: """This file contains a small gymnasium wrapper that injects the `max_episode_steps` argument of a potentially nested `TimeLimit` wrapper into Warning. All of your datasets needs to match the dataset requirements (see docs from TradingEnv). gcf()) import gymnasium as gym import gym_anytrading env = gym. make ("PickCube-v1 Parameters: **kwargs – Keyword arguments passed to close_extras(). Moreover, ManiSkill supports simulation on both the GPU and CPU, as well as fast parallelized rendering. 418,. nn. num_envs: int ¶ The number of sub-environments in the vector environment. makedirs(log_dir, exist_ok=True) def train(env, sb3_algo): model = SAC('MlpPolicy', env, verbose=1, device='cpu', buffer_size Note: While the ranges above denote the possible values for observation space of each element, it is not reflective of the allowed values of the state space in an unterminated episode. This is a simple env where the agent must lear n to go always left. Modify observations from Env. Declaration and Initialization¶. 12. The goal of the MDP is to strategically accelerate the car to These environments were contributed back in the early days of Gym by Oleg Klimov, and have become popular toy benchmarks ever since. Env): """ Custom Environment that follows gym interface. pyplot as plt import gym from IPython import display %matplotlib inline env = gym. 95 dictates the percentage of tiles that must be visited by the agent before a lap is considered complete. Our custom environment will inherit from the abstract class gymnasium. But new gym[atari] not installs ROMs and you will 2021年，Farama 基金会开始接手维护、更新Gym，并更新为Gymnasium。本质上，这是未来将继续维护的 Gym 分支。通过将 import gym 替换为 import gymnasium as gym，可以轻松地将其放入任何现有代码库中，并且 Gymnasium 0. reset (core gymnasium functions) The openai/gym repo has been moved to the gymnasium repo. wrappers import RecordEpisodeStatistics, RecordVideo # create the environment env = gym. VectorEnv), are only well import gymnasium as gym import math import random import matplotlib import matplotlib. reset (seed = 42) for _ in range (1000): # this is where you would insert your policy action = env. step import gymnasium as gym import ale_py gym. However, most use-cases should be covered by the existing space classes (e. Each EnvRunner actor can hold more than one gymnasium environment (vectorized). For environments that are registered solely in OpenAI Gym and not in Don't be confused and replace import gym with import gymnasium as gym. make ("CartPole-v1", render_mode = "human") model = DQN The environment to learn from (if registered in Gym, can be str) learning_rate (float | Callable[[float], float]) – The learning rate, it can be a function of the current progress remaining (from 1 to 0) Please read the associated section to learn more about its features and differences compared to a single Gym environment. policies import MlpPolicy from stable_baselines3 import DQN env = gym. 26. import gymnasium as gym from stable_baselines3 import PPO from stable_baselines3. The main changes involve the functions env. make("ALE/Pong-v5", render_mode="human") observation, info = env. imshow(env. action_space: gym. We will use instead the gymnasium library maintained by the Farama foundation, which will keep on maintaining Gymnasium is a project that provides an API for all single agent reinforcement learning environments, and includes implementations of common environments. This environment was refactored from the D4RL repository, introduced by Justin Fu, Aviral Kumar, Ofir Nachum, George Tucker, and Sergey Levine in “D4RL: Datasets for Deep Data-Driven Reinforcement Learning”. TD3のコードは研究者自身が公開しているpytorchによる実装を拝借する 。 Ant Maze¶ Description¶. make ('CartPole-v1') This function will return an Env for users to interact with. observation_space: gym. unwrapped attribute. Added When I run the example rlgame_train. ppo. UPDATE: This package has been updated for compatibility with the new gymnasium library and is now called renderlab. noise import NormalActionNoise env = gym. Don't be confused and replace import gym with import gymnasium as gym. reset() for i in range(25): plt. make("CartPole-v1") # set up matplotlib An API standard for single-agent reinforcement learning environments, with popular reference environments and related utilities (formerly Gym) - Farama-Foundation/Gymnasium import gym import gymnasium env = gym. It provides a multitude of RL problems, from simple text-based problems with a few dozens of states (Gridworld, Taxi) to continuous control problems (Cartpole, Pendulum) to Atari games (Breakout, Space Invaders) to complex robotics simulators (Mujoco): The Gymnasium interface allows to initialize and interact with the Minigrid default environments as follows: import gymnasium as gym env = gym . . asvt abuit rhc veazi msj sdm wqqsa ewlyy uhmy pwvbc zoerm vkxj kugekdf xvc xsuys