Handle deprecations

[simontorres]

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        Usage of dash-separated 'show-response' will not be supported in future
        versions. Please use the underscore name 'show_response' instead.

        This deprecation is overdue, please update your project and remove deprecated
        calls to avoid build errors in the future.

        See https://setuptools.pypa.io/en/latest/userguide/declarative_config.html for details.
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and

!!

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        Requirements should be satisfied by a PEP 517 installer.
        If you are using pip, you can try `pip install --use-pep517`.
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!!