def _hessian_opg(self, params, **kwargs):
        return -self.opg_information_matrix(params, **kwargs)
Only Bearer authentication is supported. If a Client tries to
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/tsa/statespace/mlemodel.py/MLEModel._hessian_opg--crossover with--dataset/ETHPy150Open Locu/djoauth2/djoauth2/tests/test_endpoint.py/TestOAuthScopeEndpointDecorator.test_non_bearer_authentication_header_fails_without_error_information