def build_extensions(self):
        if build_concurrency > 1:
            self.check_extensions_list(self.extensions)

            import multiprocessing.pool
            multiprocessing.pool.ThreadPool(processes=build_concurrency).map(self.build_extension, self.extensions)
        else:
            build_ext.build_extensions(self)
dataset/ETHPy150Open datastax/python-driver/setup.py/build_extensions.build_extensions/original