Could not build wheels for flash-attn, which is required to install pyproject.toml-based projects

It seems like you are encountering an issue with building the wheels for the "flash-attn" package, which is required to install pyproject.toml-based projects. This error usually occurs when there are missing dependencies or incompatible build configurations.

To resolve this issue, you can try the following steps:

1. Ensure that you have all the necessary dependencies installed. Check the documentation or requirements file of the "flash-attn" package for the specific dependencies needed.

2. Make sure that you have the latest version of pip and setuptools installed by running the following commands:

   pip install --upgrade pip setuptools

3. If you are using a virtual environment, activate it and try installing the package again.

4. If the issue persists, it might be helpful to provide more details about your environment, such as the operating system, Python version, and any relevant error messages you receive.

If none of the above solutions work, it would be helpful to seek assistance from the package maintainers or refer to their documentation for further troubleshooting steps.