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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def finalize_options(self):
 """Validate the command options."""

        assert bool(self.fa_version), 'FA version is mandatory for this command.'
        if self.zip_path:
            assert os.path.exists(self.zip_path), (
                'Local zipfile does not exist: %s' % self.zip_path)