Ошибка при установки библиотеки imgui - Python

Хотел установить библиотеку imgui (PyImGui, pip install imgui), но появляется ошибка.

Пишу команду

pip install imgui[full]

через какое-то время появляется следующая ошибка:

Collecting cocos2d Using cached cocos2d-0.6.9.tar.gz (4.7 MB)
Preparing metadata (setup.py) ... error error: subprocess-exited-with-error

× python setup.py egg_info did not run successfully. │ exit code: 1 ╰─> [7 lines of output]
Traceback (most recent call last):
File "", line 2, in
File "", line 34, in
File "C:\Users\artem\AppData\Local\Temp\pip-install-92o83qbv\cocos2d_5c5d947fd299447f9d4e34f4fba12730\setup.py", line 38, in f = open('README.rst','rU')
^^^^^^^^^^^^^^^^^^^^^^^ ValueError: invalid mode: 'rU' [end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata. ╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

что делать?