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

I'm sorry to hear that you're facing issues with building wheels for SentencePiece. This error typically occurs when the necessary dependencies for building wheels are not installed on your system.

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

1. Ensure that you have the necessary build tools installed on your system. On Linux, you may need to install packages such as `build-essential` and `python3-dev`. On Windows, you may need to install Microsoft Visual C++ Build Tools. You can refer to the official documentation for your operating system for more details.

2. Make sure that you have the latest version of `pip` installed. You can upgrade `pip` by running the following command:

   pip install --upgrade pip

3. Install the required dependencies for building SentencePiece. You can do this by running the following command:

   pip install -U sentencepiece

If the issue persists, please provide more details about your system environment, such as the operating system and Python version you are using. This information will help in providing you with more specific solutions.