Method update

flow_grpo/diffusers_patch/solver.py:197–200

(self, model_output: torch.Tensor)

        self.model_outputs = [None] * self.order

    def update(self, model_output: torch.Tensor):
        for i in range(self.order - 1):
            self.model_outputs[i] = self.model_outputs[i + 1]
        self.model_outputs[-1] = model_output

    def update_lower_order(self):
        if self.lower_order_nums < self.order: