The documentation for --install-options (online at https://pip.pypa.io/en/latest/cli/pip_install/#cmdoption-install-option) gives the example of passing --install-scripts. Since #7309 this is now an invalid option. This example should be updated (and perhaps the current way to achieve this added).

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A comment on the deprecation issue asked for this to be opened at: #7309 (comment)