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benelot / pybullet-gym

Open-source implementations of OpenAI Gym MuJoCo environments for use with the OpenAI Gym Reinforcement Learning Research Platform.
https://pybullet.org/
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On Windows, when testing agent, get "Cannot import name 'bullet_client' error #38

Closed rfernand2 closed 4 years ago

rfernand2 commented 4 years ago

Seems to be version mismatch between latest pybullet-gym and pybullet 2.6.2. Which version of pybullet should be used with pybullet-gym?

When I run the example for testing MuJoCo humaniod agent, I get the following error:

pybullet build time: Jan 2 2020 14:03:15 current_dir=c:\anaconda3\envs\bulletgym\lib\site-packages\pybullet_envs\bullet Traceback (most recent call last): File "./openai_gym.py", line 219, in main() File "./openai_gym.py", line 113, in main visualize=args.visualize File "c:\anaconda3\envs\bulletgym\lib\site-packages\tensorforce\contrib\openai_gym.py", line 50, in init self.gym = gym.make(gym_id) # Might raise gym.error.UnregisteredEnv or gym.error.DeprecatedEnv File "c:\github\gym\gym\envs\registration.py", line 142, in make return registry.make(id, kwargs) File "c:\github\gym\gym\envs\registration.py", line 87, in make env = spec.make(kwargs) File "c:\github\gym\gym\envs\registration.py", line 58, in make cls = load(self.entry_point) File "c:\github\gym\gym\envs\registration.py", line 17, in load mod = importlib.import_module(mod_name) File "c:\anaconda3\envs\bulletgym\lib\importlib__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "", line 994, in _gcd_import File "", line 971, in _find_and_load File "", line 955, in _find_and_load_unlocked File "", line 665, in _load_unlocked File "", line 678, in exec_module File "", line 219, in _call_with_frames_removed File "c:\github\pybullet-gym\pybulletgym\envs\mujoco\envs\locomotion\humanoid_env.py", line 1, in from pybulletgym.envs.mujoco.envs.locomotion.walker_base_env import WalkerBaseMuJoCoEnv File "c:\github\pybullet-gym\pybulletgym\envs\mujoco\envs\locomotion\walker_base_env.py", line 1, in from pybulletgym.envs.mujoco.envs.env_bases import BaseBulletEnv File "c:\github\pybullet-gym\pybulletgym\envs\mujoco\envs\env_bases.py", line 4, in from pybullet_envs.bullet import bullet_client ImportError: cannot import name 'bullet_client'

rfernand2 commented 4 years ago

pybullet version 2.5.9 fixes this error. Suggest the following commands: