How do you use SaveModelCallback? I have tried
learn.fit_one_cycle(4,callbacks=[SaveModelCallback])
but I get the following error
TypeError Traceback (most recent call last)
in ()
----> 1 learn.fit_one_cycle(4,callbacks=[SaveModelCallback])/usr/local/lib/python3.6/dist-packages/fastai/train.py in fit_one_cycle(learn, cyc_len, max_lr, moms, div_factor, pct_start, wd, callbacks, **kwargs)
20 callbacks.append(OneCycleScheduler(learn, max_lr, moms=moms, div_factor=div_factor,
21 pct_start=pct_start, **kwargs))
—> 22 learn.fit(cyc_len, max_lr, wd=wd, callbacks=callbacks)
23
24 def lr_find(learn:Learner, start_lr:Floats=1e-7, end_lr:Floats=10, num_it:int=100, stop_div:bool=True, **kwargs:Any):/usr/local/lib/python3.6/dist-packages/fastai/basic_train.py in fit(self, epochs, lr, wd, callbacks)
160 callbacks = [cb(self) for cb in self.callback_fns] + listify(callbacks)
161 fit(epochs, self.model, self.loss_func, opt=self.opt, data=self.data, metrics=self.metrics,
→ 162 callbacks=self.callbacks+callbacks)
163
164 def create_opt(self, lr:Floats, wd:Floats=0.)->None:/usr/local/lib/python3.6/dist-packages/fastai/basic_train.py in fit(epochs, model, loss_func, opt, data, callbacks, metrics)
72 cb_handler = CallbackHandler(callbacks, metrics)
73 pbar = master_bar(range(epochs))
—> 74 cb_handler.on_train_begin(epochs, pbar=pbar, metrics=metrics)
75
76 exception=False/usr/local/lib/python3.6/dist-packages/fastai/callback.py in on_train_begin(self, epochs, pbar, metrics)
192 self.state_dict[‘n_epochs’],self.state_dict[‘pbar’],self.state_dict[‘metrics’] = epochs,pbar,metrics
193 names = [(met.name if hasattr(met, ‘name’) else camel2snake(met.class.name)) for met in self.metrics]
→ 194 self(‘train_begin’, metrics_names=names)
195
196 def on_epoch_begin(self)->None:/usr/local/lib/python3.6/dist-packages/fastai/callback.py in call(self, cb_name, call_mets, **kwargs)
185 “Call through to all of theCallbakHandlerfunctions.”
186 if call_mets: [getattr(met, f’on_{cb_name}‘)(**self.state_dict, **kwargs) for met in self.metrics]
→ 187 return [getattr(cb, f’on_{cb_name}’)(**self.state_dict, **kwargs) for cb in self.callbacks]
188
189 def on_train_begin(self, epochs:int, pbar:PBar, metrics:MetricFuncList)->None:/usr/local/lib/python3.6/dist-packages/fastai/callback.py in (.0)
185 “Call through to all of theCallbakHandlerfunctions.”
186 if call_mets: [getattr(met, f’on_{cb_name}‘)(**self.state_dict, **kwargs) for met in self.metrics]
→ 187 return [getattr(cb, f’on_{cb_name}’)(**self.state_dict, **kwargs) for cb in self.callbacks]
188
189 def on_train_begin(self, epochs:int, pbar:PBar, metrics:MetricFuncList)->None:TypeError: on_train_begin() missing 1 required positional argument: ‘self’