``` (py36) ➜ PyGame-Learning-Environment git:(master) sudo pip install -e . The directory '/home/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag. The directory '/home/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag. Obtaining file:///home/PyGame-Learning-Environment Requirement already satisfied: Pillow in /usr/lib/python2.7/dist-packages (from ple==0.0.1) Requirement already satisfied: numpy in /usr/lib/python2.7/dist-packages (from ple==0.0.1) Installing collected packages: ple Found existing installation: ple 0.0.1 Can't uninstall 'ple'. No files were found to uninstall. Running setup.py develop for ple Successfully installed ple (py36) PyGame-Learning-Environment git:(master) pip install gym_ple Collecting gym_ple Using cached https://files.pythonhosted.org/packages/0d/d6/41e3510bf943a6383b89d1b3db785efbd2c63c55ac2947a4ba31bf9c9009/gym_ple-0.3.tar.gz Building wheels for collected packages: gym-ple Running setup.py bdist_wheel for gym-ple ... done Stored in directory: /home/.cache/pip/wheels/48/a7/28/fd4f7105b5960ce04ddeb161679e2343a02e037ec34e992a54 Successfully built gym-ple Installing collected packages: gym-ple Successfully installed gym-ple-0.3 (py36) PyGame-Learning-Environment git:(master) python Python 3.6.7 |Anaconda, Inc.| (default, Oct 23 2018, 19:16:44) [GCC 7.3.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import ple Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/home/PyGame-Learning-Environment/ple/__init__.py", line 1, in <module> from .ple import PLE File "/home/shekharrajak/Documents/githubRepos/personal/rl_games/tools/PyGame-Learning-Environment/ple/ple.py", line 5, in <module> import pygame ModuleNotFoundError: No module named 'pygame' >>> exit() (py36) PyGame-Learning-Environment git:(master) pip install pygame Collecting pygame Downloading https://files.pythonhosted.org/packages/8e/24/ede6428359f913ed9cd1643dd5533aefeb5a2699cc95bea089de50ead586/pygame-1.9.6-cp36-cp36m-manylinux1_x86_64.whl (11.4MB) 100% |████████████████████████████████| 11.4MB 2.5MB/s Installing collected packages: pygame Successfully installed pygame-1.9.6 (py36) PyGame-Learning-Environment git:(master) python Python 3.6.7 |Anaconda, Inc.| (default, Oct 23 2018, 19:16:44) [GCC 7.3.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import ple pygame 1.9.6 Hello from the pygame community. https://www.pygame.org/contribute.html couldn't import doomish Couldn't import doom >>> ``` Let me know if I did something wrong.