Traceback (most recent call last):


 "timit_preprocess.py", line 31, in <module>

from scikits.audiolab import wavread, Format, Sndfile


 "/home/zheng.z/.local/lib/python3.5/site-packages/scikits/audiolab/__init__.py", line 25, in <module>

from .pysndfile import formatinfo, sndfile


 "/home/zheng.z/.local/lib/python3.5/site-packages/scikits/audiolab/pysndfile/__init__.py", line 1, in <module>

from ._sndfile import Sndfile, Format, available_file_formats, \
ImportError: /home/zheng.z/.local/lib/python3.5/site-packages/scikits/audiolab/pysndfile/_sndfile.cpython-35m-x86_64-linux-gnu.so: undefined symbol: PyString_FromStringAndSize

Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/Users/ericwiener/anaconda3/envs/donkey/lib/python3.7/site-packages/pytorch_lightning/__init__.py", line 61, in <module>

from pytorch_lightning.callbacks import Callback


 "/Users/ericwiener/anaconda3/envs/donkey/lib/python3.7/site-packages/pytorch_lightning/callbacks/__init__.py", line 19, in <module>

from pytorch_lightning.callbacks.model_checkpoint import ModelCheckpoint


 "/Users/ericwiener/anaconda3/envs/donkey/lib/python3.7/site-packages/pytorch_lightning/callbacks/model_checkpoint.py", line 36, in <module>

from pytorch_lightning.plugins.rpc_plugin import RPCPlugin


 "/Users/ericwiener/anaconda3/envs/donkey/lib/python3.7/site-packages/pytorch_lightning/plugins/rpc_plugin.py", line 24, in <module>

from torch.distributed import rpc


 "/Users/ericwiener/anaconda3/envs/donkey/lib/python3.7/site-packages/torch/distributed/rpc.py", line 3, in <module>

from . import invoke_rpc_builtin, invoke_rpc_python_udf, invoke_remote_builtin
ImportError: cannot import name 'invoke_rpc_builtin' from 'torch.distributed' (/Users/ericwiener/anaconda3/envs/donkey/lib/python3.7/site-packages/torch/distributed/__init__.py)
