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beetbox / audioread

cross-library (GStreamer + Core Audio + MAD + FFmpeg) audio decoding for Python
MIT License
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Jupyter notebook audioread.nobackend error #69

Closed nathneel closed 6 years ago

nathneel commented 6 years ago

_RemoteTraceback Traceback (most recent call last) _RemoteTraceback: """ Traceback (most recent call last): File "C:\Users\neel.nath\AppData\Local\Programs\Python\Python36\Lib\site-packages\joblib\externals\loky\process_executor.py", line 398, in _process_worker r = call_item.fn(*call_item.args, *call_item.kwargs) File "C:\Users\neel.nath\AppData\Local\Programs\Python\Python36\Lib\site-packages\joblib_parallel_backends.py", line 561, in call return self.func(args, **kwargs) File "C:\Users\neel.nath\AppData\Local\Programs\Python\Python36\Lib\site-packages\joblib\parallel.py", line 224, in call for func, args, kwargs in self.items] File "C:\Users\neel.nath\AppData\Local\Programs\Python\Python36\Lib\site-packages\joblib\parallel.py", line 224, in for func, args, kwargs in self.items] File "", line 6, in save_folds File "", line 15, in extract_features File "", line 4, in read_audio File "C:\Users\neel.nath\AppData\Local\Programs\Python\Python36\Lib\site-packages\librosa\core\audio.py", line 112, in load with audioread.audio_open(os.path.realpath(path)) as input_file: File "C:\Users\neel.nath\AppData\Local\Programs\Python\Python36\Lib\site-packages\audioread__init__.py", line 116, in audio_open raise NoBackendError() audioread.NoBackendError """

The above exception was the direct cause of the following exception:

NoBackendError Traceback (most recent call last)

in () ~\AppData\Local\Programs\Python\Python36\Lib\site-packages\joblib\parallel.py in __call__(self, iterable) 960 961 with self._backend.retrieval_context(): --> 962 self.retrieve() 963 # Make sure that we get a last message telling us we are done 964 elapsed_time = time.time() - self._start_time ~\AppData\Local\Programs\Python\Python36\Lib\site-packages\joblib\parallel.py in retrieve(self) 863 try: 864 if getattr(self._backend, 'supports_timeout', False): --> 865 self._output.extend(job.get(timeout=self.timeout)) 866 else: 867 self._output.extend(job.get()) ~\AppData\Local\Programs\Python\Python36\Lib\site-packages\joblib\_parallel_backends.py in wrap_future_result(future, timeout) 513 AsyncResults.get from multiprocessing.""" 514 try: --> 515 return future.result(timeout=timeout) 516 except LokyTimeoutError: 517 raise TimeoutError() ~\AppData\Local\Programs\Python\Python36\Lib\site-packages\joblib\externals\loky\_base.py in result(self, timeout) 429 raise CancelledError() 430 elif self._state == FINISHED: --> 431 return self.__get_result() 432 else: 433 raise TimeoutError() ~\AppData\Local\Programs\Python\Python36\Lib\site-packages\joblib\externals\loky\_base.py in __get_result(self) 380 def __get_result(self): 381 if self._exception: --> 382 raise self._exception 383 else: 384 return self._result NoBackendError:
sampsyo commented 6 years ago

It's not particularly useful to open an issue that just consists of a stacktrace (and an unreadable one at that). You might be interested in some advice about how to file a bug: https://www.cs.cornell.edu/~asampson/blog/bugrubric.html