def __repr__(self):
        return "<Requirement(package={package}, version='{version}')>".format(
            package=self.package, version=self.version)
def finalize_options(self):
    ret = InstallCommandBase.finalize_options(self)
    self.install_headers = os.path.join(self.install_purelib,
                                        'tensorflow', 'include')
    return ret