Traceback (most recent call last):


 "/opt/conda/lib/python3.6/site-packages/torch/multiprocessing/spawn.py", line 19, in _wrap

fn(i, *args)


 "/
s/segmentation/FastFCN-latest/experiments/segmentation/train.py", line 206, in main_worker

trainer.training(epoch)


 "/
s/segmentation/FastFCN-latest/experiments/segmentation/train.py", line 135, in training

loss = self.criterion(outputs, target.cuda())


 "/opt/conda/lib/python3.6/site-packages/torch/nn/modules/module.py", line 545, in __call__

result = self.forward(*input, **kwargs)


 "/
s/segmentation/FastFCN-latest/encoding/nn/customize.py", line 53, in forward

(pred1, se_pred, pred2), target = tuple(inputs)
ValueError: not enough values to unpack (expected 3, got 2)

Traceback (most recent call last):


 "/usr/lib/python3.5/runpy.py", line 184, in _run_module_as_main

"__main__", mod_spec)


 "/usr/lib/python3.5/runpy.py", line 85, in _run_code

exec(code, run_globals)


 "/opt/src/rastervision/__main__.py", line 17, in <module>

rv.main()


 "/usr/local/lib/python3.5/dist-packages/click/core.py", line 722, in __call__

return self.main(*args, **kwargs)


 "/usr/local/lib/python3.5/dist-packages/click/core.py", line 697, in main

rv = self.invoke(ctx)


 "/usr/local/lib/python3.5/dist-packages/click/core.py", line 1066, in invoke

return _process_result(sub_ctx.command.invoke(sub_ctx))


 "/usr/local/lib/python3.5/dist-packages/click/core.py", line 895, in invoke

return ctx.invoke(self.callback, **ctx.params)


 "/usr/local/lib/python3.5/dist-packages/click/core.py", line 535, in invoke

return callback(*args, **kwargs)


 "/opt/src/rastervision/cli/main.py", line 159, in run

dry_run=dry_run)


 "/opt/src/rastervision/runner/experiment_runner.py", line 187, in run

self._run_experiment(command_dag)


 "/opt/src/rastervision/runner/local_experiment_runner.py", line 35, in _run_experiment

run_commands(tmp_dir)


 "/opt/src/rastervision/runner/local_experiment_runner.py", line 29, in run_commands

command.run(tmp_dir)


 "/opt/src/rastervision/command/chip_command.py", line 20, in run

self.augmentors, tmp_dir)


 "/opt/src/rastervision/task/task.py", line 126, in make_chips

train_scenes, TRAIN, augment=True)


 "/opt/src/rastervision/task/task.py", line 122, in _process_scenes

return [_process_scene(scene, type_, augment) for scene in scenes]


 "/opt/src/rastervision/task/task.py", line 122, in <listcomp>

return [_process_scene(scene, type_, augment) for scene in scenes]


 "/opt/src/rastervision/task/task.py", line 112, in _process_scene

data.shuffle()


 "/opt/src/rastervision/core/training_data.py", line 36, in shuffle

self.chips, self.windows, self.labels = zip(*chip_windows_labels)
ValueError: not enough values to unpack (expected 3, got 0)
