@lazyproperty
    def body(self):
        return self._environ['wsgi.input'].read(self.content_length)
Compare the OpenMDAO-calculated gradient with one calculated
dataset/ETHPy150Open toastdriven/itty/itty.py/Request.body--crossover with--dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/driver.py/Driver.check_gradient