What does the error "metadata-generation-failed" mean when executing the command "pip install pyqt6-tools"?

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The error "metadata-generation-failed" when executing the command "pip install pyqt6-tools" means that there was a problem with generating the metadata for the package. This could be caused by issues with the package itself or with the network connection. It is recommended to try installing the package again after ensuring a stable network connection. Additionally, it might help to update pip to the latest version using the command "pip install --upgrade pip".