Traceback (most recent call last):


 "D:\DEV\WinPython3.5_64\python-3.5.4.amd64\lib\site-packages\psychopy-3.1.0-py3.5.egg\psychopy\visual\window.py", line 501, in __del__

self.close()


 "D:\DEV\WinPython3.5_64\python-3.5.4.amd64\lib\site-packages\psychopy-3.1.0-py3.5.egg\psychopy\visual\window.py", line 1327, in close

self.backend.close()
# moved here, dereferencing the window prevents
AttributeError: 'NoneType' object has no attribute 'close'

Traceback (most recent call last):

 "C:\projects\gym\gym\envs\tests\test_envs_semantics.py", line 88, in test_env_semantics
assert rollout_dict[spec.id]['observations'] == observations_now, 'Observations not equal for {}'.format(spec.id)AssertionError: Observations not equal for FrozenLake-v0