Trying to install with pip in a fresh conda env with installed gym. ``` channels: - defaults dependencies: - _libgcc_mutex=0.1=main - ca-certificates=2019.11.27=0 - certifi=2019.11.28=py38_0 - libedit=3.1.20181209=hc058e9b_0 - libffi=3.2.1=hd88cf55_4 - libgcc-ng=9.1.0=hdf63c60_0 - libstdcxx-ng=9.1.0=hdf63c60_0 - ncurses=6.1=he6710b0_1 - openssl=1.1.1d=h7b6447c_3 - pip=19.3.1=py38_0 - python=3.8.0=h0371630_2 - readline=7.0=h7b6447c_5 - setuptools=42.0.2=py38_0 - sqlite=3.30.1=h7b6447c_0 - tk=8.6.8=hbc83047_0 - wheel=0.33.6=py38_0 - xz=5.2.4=h14c3975_4 - zlib=1.2.11=h7b6447c_3 - pip: - cloudpickle==1.2.2 - future==0.18.2 - gym==0.15.4 - numpy==1.17.4 - opencv-python==4.1.2.30 - pyglet==1.3.2 - scipy==1.3.3 - six==1.13.0 ```