============================= objspace.usemodules.\_testing ============================= * **name:** \_testing * **description:** use module \_testing * **command-line:** --withmod-\_testing * **command-line for negation:** --withoutmod-\_testing * **option type:** boolean option * **default:** True Use the '_testing' module. This module exists only for PyPy own testing purposes. This module is expected to be working and is included by default.