Original Traceback (most recent call last):


 "/home/monistan/anaconda3/envs/jukebox/lib/python3.7/site-packages/torch/utils/data/_utils/worker.py", line 178, in _worker_loop

data = fetcher.fetch(index)


 "/home/monistan/anaconda3/envs/jukebox/lib/python3.7/site-packages/torch/utils/data/_utils/fetch.py", line 44, in fetch

data = [self.dataset[idx] for idx in possibly_batched_index]


 "/home/monistan/anaconda3/envs/jukebox/lib/python3.7/site-packages/torch/utils/data/_utils/fetch.py", line 44, in <listcomp>

data = [self.dataset[idx] for idx in possibly_batched_index]


 "/home/monistan/jukebox/jukebox/data/data_processor.py", line 22, in __getitem__

return self.dataset.get_item(self.start + item, test=self.test)


 "/home/monistan/jukebox/jukebox/data/files_dataset.py", line 90, in get_item

return self.get_song_chunk(index, offset, test)


 "/home/monistan/jukebox/jukebox/data/files_dataset.py", line 79, in get_song_chunk

data, sr = load_audio(filename, sr=self.sr, offset=offset, duration=self.sample_length)


 "/home/monistan/jukebox/jukebox/utils/io.py", line 48, in load_audio

frame = frame.to_ndarray(format='fltp') # Convert to floats and not int16
AttributeError: 'NoneType' object has no attribute 'to_ndarray'
Traceback (most recent call last):


 "/builddir/build/BUILD/zim-0.72.0/./setup.py", line 25, in <module>

import makeman # helper script


 "/builddir/build/BUILD/zim-0.72.0/makeman.py", line 13, in <module>

from zim.main import HelpCommand


 "/builddir/build/BUILD/zim-0.72.0/zim/main/__init__.py", line 24, in <module>

import zim.config


 "/builddir/build/BUILD/zim-0.72.0/zim/config/__init__.py", line 10, in <module>

from .dicts import *


 "/builddir/build/BUILD/zim-0.72.0/zim/config/dicts.py", line 35, in <module>

from zim.utils import OrderedDict


 "/builddir/build/BUILD/zim-0.72.0/zim/utils.py", line 191, in <module>

class OrderedDict(collections.MutableMapping):
AttributeError: module 'collections' has no attribute 'MutableMapping'
