That is a problem with the Python packaging ecosystem in general, not with aider. @BiteCode_Dev wisely advises beginners to use virtual environments to install

That is a problem with the Python packaging ecosystem in general, not with aider. @BiteCode_Dev wisely advises beginners to use virtual environments to install anything that uses Python: https://www.bitecode.dev/p/back-to-basics-with-pip-and-venv https://www.bitecode.dev/p/back-to-basics-with-pip-and-venv