pypet/trajectory.py
def f_lock_derived_parameters(self):
        """Locks all non-empty derived parameters"""
        for par in self._derived_parameters.values():
            if not par.f_is_empty():
                par.f_lock()
def f_lock_derived_parameters(self):
        """Locks all non-empty derived parameters"""
        for par in self._derived_parameters.values():
            if not par.f_is_empty():
                par.f_lock()
Locks all non-empty derived parameters