After following the instructions step-by-step and running:
roslaunch my_cartpole_training start_training.launch
, I am receiving this error:
ROS_MASTER_URI=http://master:11311
process[cartpole_gym-1]: started with pid [17866]
/usr/local/lib/python2.7/dist-packages/requests/__init__.py:91: RequestsDependencyWarning: urllib3 (1.25.8) or chardet (2.3.0) doesn't match a supported version!
RequestsDependencyWarning)
/usr/local/lib/python2.7/dist-packages/requests/__init__.py:83: RequestsDependencyWarning: Old version of cryptography ([1, 2, 3]) may cause slowdown.
warnings.warn(warning, RequestsDependencyWarning)
Traceback (most recent call last):
File "/home/user/my_cartpole_training/src/start_qlearn.py", line 24, in <module>
env = gym.make('CartPoleStayUp-v1')
File "/usr/local/lib/python2.7/dist-packages/gym/envs/registration.py", line 161, in make
return registry.make(id)
File "/usr/local/lib/python2.7/dist-packages/gym/envs/registration.py", line 119, in make
env = spec.make()
File "/usr/local/lib/python2.7/dist-packages/gym/envs/registration.py", line 85, in make
cls = load(self._entry_point)
File "/usr/local/lib/python2.7/dist-packages/gym/envs/registration.py", line 17, in load
result = entry_point.load(False)
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2229, in load
return self.resolve()
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2239, in resolve
raise ImportError(str(exc))
ImportError: 'module' object has no attribute 'CartPoleStayUpEnv'
[cartpole_gym-1] process has died [pid 17866, exit code 1, cmd /home/user/my_cartpole_training/src/start_qlearn.py __name:=cartpole_gym __log:=/home/user/.ros/log/58da97f2-6adc-11ea-8bb0-16ab3dc29d7b/cartpole_gym-1.log].
log file: /home/user/.ros/log/58da97f2-6adc-11ea-8bb0-16ab3dc29d7b/cartpole_gym-1*.log
all processes on machine have died, roslaunch will exit
shutting down processing monitor...
... shutting down processing monitor complete
done