def solve(self, params, unknowns, resids, system, metadata=None):
        pass
Make any necessary header changes or defaults
dataset/ETHPy150Open OpenMDAO/OpenMDAO/openmdao/solvers/solver_base.py/NonLinearSolver.solve--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/core/servers/basehttp.py/ServerHandler.cleanup_headers