AttributeError: 'RecordOnCPU' object has no attribute 'input'？

[goldwater668]

AttributeError Traceback (most recent call last)
Cell In[53], line 1
----> 1 do_fit('v1.1', slice(lr*10))

Cell In[52], line 4, in do_fit(save_name, lrs, pct_start)
2 learn.fit_one_cycle(1, lrs, pct_start=pct_start)
3 learn.save(save_name)
----> 4 learn.show_results()

File /fastai/basic_train.py:407, in Learner.show_results(self, ds_type, rows, **kwargs)
405 preds = self.pred_batch(ds_type)
406 *self.callbacks,rec_cpu = self.callbacks
--> 407 x,y = rec_cpu.input,rec_cpu.target
408 norm = getattr(self.data,'norm',False)
409 if norm:

AttributeError: 'RecordOnCPU' object has no attribute 'input'