FileNotFoundError Traceback (most recent call last)
in
----> 1 learn.fit_one_cycle(2)
/opt/conda/envs/fastai/lib/python3.6/site-packages/fastai/train.py in fit_one_cycle(learn, cyc_len, max_lr, moms, div_factor, pct_start, final_div, wd, callbacks, tot_epochs, start_epoch)
21 callbacks.append(OneCycleScheduler(learn, max_lr, moms=moms, div_factor=div_factor, pct_start=pct_start,
22 final_div=final_div, tot_epochs=tot_epochs, start_epoch=start_epoch))
—> 23 learn.fit(cyc_len, max_lr, wd=wd, callbacks=callbacks)
24
25 def fit_fc(learn:Learner, tot_epochs:int=1, lr:float=defaults.lr, moms:Tuple[float,float]=(0.95,0.85), start_pct:float=0.72,
/opt/conda/envs/fastai/lib/python3.6/site-packages/fastai/basic_train.py in fit(self, epochs, lr, wd, callbacks)
198 else: self.opt.lr,self.opt.wd = lr,wd
199 callbacks = [cb(self) for cb in self.callback_fns + listify(defaults.extra_callback_fns)] + listify(callbacks)
–> 200 fit(epochs, self, metrics=self.metrics, callbacks=self.callbacks+callbacks)
201
202 def create_opt(self, lr:Floats, wd:Floats=0.)->None:
/opt/conda/envs/fastai/lib/python3.6/site-packages/fastai/basic_train.py in fit(epochs, learn, callbacks, metrics)
104 if not cb_handler.skip_validate and not learn.data.empty_val:
105 val_loss = validate(learn.model, learn.data.valid_dl, loss_func=learn.loss_func,
–> 106 cb_handler=cb_handler, pbar=pbar)
107 else: val_loss=None
108 if cb_handler.on_epoch_end(val_loss): break
/opt/conda/envs/fastai/lib/python3.6/site-packages/fastai/basic_train.py in validate(model, dl, loss_func, cb_handler, pbar, average, n_batch)
55 val_losses,nums = [],[]
56 if cb_handler: cb_handler.set_dl(dl)
—> 57 for xb,yb in progress_bar(dl, parent=pbar, leave=(pbar is not None)):
58 if cb_handler: xb, yb = cb_handler.on_batch_begin(xb, yb, train=False)
59 val_loss = loss_batch(model, xb, yb, loss_func, cb_handler=cb_handler)
/opt/conda/envs/fastai/lib/python3.6/site-packages/fastprogress/fastprogress.py in iter(self)
45 except Exception as e:
46 self.on_interrupt()
—> 47 raise e
48
49 def update(self, val):
/opt/conda/envs/fastai/lib/python3.6/site-packages/fastprogress/fastprogress.py in iter(self)
39 if self.total != 0: self.update(0)
40 try:
—> 41 for i,o in enumerate(self.gen):
42 if i >= self.total: break
43 yield o
/opt/conda/envs/fastai/lib/python3.6/site-packages/fastai/basic_data.py in iter(self)
73 def iter(self):
74 “Process and returns items from DataLoader.”
—> 75 for b in self.dl: yield self.proc_batch(b)
76
77 @classmethod
/opt/conda/envs/fastai/lib/python3.6/site-packages/torch/utils/data/dataloader.py in next(self)
343
344 def next(self):
–> 345 data = self._next_data()
346 self._num_yielded += 1
347 if self._dataset_kind == _DatasetKind.Iterable and \
/opt/conda/envs/fastai/lib/python3.6/site-packages/torch/utils/data/dataloader.py in _next_data(self)
854 else:
855 del self._task_info[idx]
–> 856 return self._process_data(data)
857
858 def _try_put_index(self):
/opt/conda/envs/fastai/lib/python3.6/site-packages/torch/utils/data/dataloader.py in _process_data(self, data)
879 self._try_put_index()
880 if isinstance(data, ExceptionWrapper):
–> 881 data.reraise()
882 return data
883
/opt/conda/envs/fastai/lib/python3.6/site-packages/torch/_utils.py in reraise(self)
392 # (https://bugs.python.org/issue2651), so we work around it.
393 msg = KeyErrorMessage(msg)
–> 394 raise self.exc_type(msg)
FileNotFoundError: Caught FileNotFoundError in DataLoader worker process 0.
Original Traceback (most recent call last):
File “/opt/conda/envs/fastai/lib/python3.6/site-packages/torch/utils/data/_utils/worker.py”, line 178, in _worker_loop
data = fetcher.fetch(index)
File “/opt/conda/envs/fastai/lib/python3.6/site-packages/torch/utils/data/_utils/fetch.py”, line 44, in fetch
data = [self.dataset[idx] for idx in possibly_batched_index]
File “/opt/conda/envs/fastai/lib/python3.6/site-packages/torch/utils/data/_utils/fetch.py”, line 44, in
data = [self.dataset[idx] for idx in possibly_batched_index]
File “/opt/conda/envs/fastai/lib/python3.6/site-packages/fastai/data_block.py”, line 651, in getitem
if self.item is None: x,y = self.x[idxs],self.y[idxs]
File “/opt/conda/envs/fastai/lib/python3.6/site-packages/fastai/data_block.py”, line 120, in getitem
if isinstance(idxs, Integral): return self.get(idxs)
File “/opt/conda/envs/fastai/lib/python3.6/site-packages/fastai/vision/data.py”, line 271, in get
res = self.open(fn)
File “/opt/conda/envs/fastai/lib/python3.6/site-packages/fastai/vision/data.py”, line 267, in open
return open_image(fn, convert_mode=self.convert_mode, after_open=self.after_open)
File “/opt/conda/envs/fastai/lib/python3.6/site-packages/fastai/vision/image.py”, line 398, in open_image
x = PIL.Image.open(fn).convert(convert_mode)
File “/opt/conda/envs/fastai/lib/python3.6/site-packages/PIL/Image.py”, line 2634, in open
fp = builtins.open(filename, “rb”)
FileNotFoundError: [Errno 2] No such file or directory: ‘data/Train/frame297.jpg’
