Traceback (most recent call last):


 “/home/fairseq/fairseq_cli/hydra_train.py", line 35, in hydra_main

distributed_utils.call_main(cfg, pre_main)


 “/home/fairseq/fairseq/distributed_utils.py", line 334, in call_main

main(cfg, **kwargs)


 “/home/fairseq/fairseq_cli/train.py", line 74, in main

model = task.build_model(cfg.model)


 “/home/fairseq/fairseq/tasks/audio_pretraining.py", line 200, in build_model

model = super().build_model(model_cfg)


 “/home/fairseq/fairseq/tasks/fairseq_task.py", line 282, in build_model

model = models.build_model(cfg, self)


 “/home/fairseq/fairseq/models/__init__.py", line 86, in build_model

return model.build_model(cfg, task)


 “/home/fairseq/fairseq/models/wav2vec/wav2vec2_asr.py", line 147, in build_model

w2v_encoder = Wav2VecEncoder(cfg, task.target_dictionary)


 “/home/fairseq/fairseq/models/wav2vec/wav2vec2_asr.py", line 304, in __init__

model.remove_pretraining_modules()


 "/root/miniconda3/envs/py36/lib/python3.6/site-packages/torch/nn/modules/module.py", line 594, in __getattr__

type(self).__name__, name))
AttributeError: 'Wav2VecCtc' object has no attribute 'remove_pretraining_modules'

[ERROR
] An exception occurred in this state: Traceback (most recent call last):


 "/usr/lib/python3/dist-packages/salt/state.py", line 2172, in call

*cdata["args"], **cdata["kwargs"]


 "/usr/lib/python3/dist-packages/salt/loader.py", line 1235, in __call__

return self.loader.run(run_func, *args, **kwargs)


 "/usr/lib/python3/dist-packages/salt/loader.py", line 2268, in run

return self._last_context.run(self._run_as, _func_or_method, *args, **kwargs)


 "/usr/lib/python3/dist-packages/salt/loader.py", line 2283, in _run_as

return _func_or_method(*args, **kwargs)


 "/usr/lib/python3/dist-packages/salt/loader.py", line 2316, in wrapper

return f(*args, **kwargs)


 "/usr/lib/python3/dist-packages/salt/states/virt.py", line 100, in keys

pillar = __salt__["pillar.ext"]({"libvirt": "_"}, pillar_kwargs)


 "/usr/lib/python3/dist-packages/salt/loader.py", line 1235, in __call__

return self.loader.run(run_func, *args, **kwargs)


 "/usr/lib/python3/dist-packages/salt/loader.py", line 2268, in run

return self._last_context.run(self._run_as, _func_or_method, *args, **kwargs)


 "/usr/lib/python3/dist-packages/salt/loader.py", line 2283, in _run_as

return _func_or_method(*args, **kwargs)


 "/usr/lib/python3/dist-packages/salt/modules/pillar.py", line 513, in ext

ret = pillar_obj.compile_pillar()


 "/usr/lib/python3/dist-packages/salt/pillar/__init__.py", line 330, in compile_pillar

load, dictkey="pillar",


 "/usr/lib/python3/dist-packages/salt/utils/asynchronous.py", line 126, in wrap

six.reraise(*results[1])


 "/usr/lib/python3/dist-packages/salt/ext/six.py", line 693, in reraise

raise value


 "/usr/lib/python3/dist-packages/salt/utils/asynchronous.py", line 132, in _target

result = io_loop.run_sync(lambda: getattr(self.obj, key)(*args, **kwargs))


 "/usr/lib/python3/dist-packages/salt/ext/tornado/ioloop.py", line 459, in run_sync

return future_cell[0].result()


 "/usr/lib/python3/dist-packages/salt/ext/tornado/concurrent.py", line 249, in result

raise_exc_info(self._exc_info)


 "<string>", line 4, in raise_exc_info


 "/usr/lib/python3/dist-packages/salt/ext/tornado/gen.py", line 309, in wrapper

yielded = next(result)


 "/usr/lib/python3/dist-packages/salt/transport/zeromq.py", line 351, in crypted_transfer_decode_dictentry

self._package_load(self.auth.crypticle.dumps(load)),


 "/usr/lib/python3/dist-packages/salt/crypt.py", line 1538, in dumps

return self.encrypt(self.PICKLE_PAD + self.serial.dumps(obj))


 "/usr/lib/python3/dist-packages/salt/payload.py", line 196, in dumps

msg, default=ext_type_encoder, use_bin_type=use_bin_type


 "/usr/lib/python3/dist-packages/salt/utils/msgpack.py", line 133, in packb

return msgpack.packb(o, **_sanitize_msgpack_kwargs(kwargs))


 "/usr/local/lib/python3.7/dist-packages/msgpack/__init__.py", line 35, in packb

return Packer(**kwargs).pack(o)


 "msgpack/_packer.pyx", line 292, in msgpack._cmsgpack.Packer.pack


 "msgpack/_packer.pyx", line 298, in msgpack._cmsgpack.Packer.pack


 "msgpack/_packer.pyx", line 295, in msgpack._cmsgpack.Packer.pack


 "msgpack/_packer.pyx", line 231, in msgpack._cmsgpack.Packer._pack


 "msgpack/_packer.pyx", line 285, in msgpack._cmsgpack.Packer._pack


 "/usr/lib/python3/dist-packages/salt/payload.py", line 190, in ext_type_encoder

return dict(obj)


 "/usr/lib/python3.7/_collections_abc.py", line 720, in __iter__

yield from self._mapping


 "/usr/lib/python3/dist-packages/salt/loader_context.py", line 91, in __iter__

return self.value().__iter__()
AttributeError: 'NoneType' object has no attribute '__iter__'
