Я использую последнюю версию Python и PyCharm ..........

Я не знаю, из-за чего эта ошибка, пожалуйста, помогите.
> [end of output]
>
> note: This error originates from a subprocess, and is likely not a
> problem with pip. ERROR: Failed building wheel for fastecdsa Failed
> to build fastecdsa ERROR: ERROR: Failed to build installable wheels
> for some pyproject.toml based projects (fastecdsa)
Подробнее здесь: https://stackoverflow.com/questions/792 ... ipticcurve