Traceback (most recent call last):


 "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1942, in post_process

files_to_delete, info = pp.run(info)


 "/usr/local/bin/youtube-dl/youtube_dl/postprocessor/ffmpeg.py", line 241, in run

raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe')
PostProcessingError: WARNING: unable to obtain file audio codec with ffprobe

Traceback (most recent call last):


 "/home/software/pycharm/helpers/pydev/pydevd.py", line 1580, in <module>

globals = debugger.run(setup['file'], None, None, is_module)


 "/home/software/pycharm/helpers/pydev/pydevd.py", line 964, in run

pydev_imports.execfile(file, globals, locals)
# execute the script


 "/home/RNN/crnn.pytorch-master_demo/demo_caffe.py", line 50, in <module>

plot_graph(output_var, os.path.join(caffemodel_dir, 'pytorch_graph.dot'))


 "/home/RNN/crnn.pytorch-master_demo/pytorch2caffe.py", line 380, in plot_graph

(graph,) = pydot.graph_from_dot_file(fname)
TypeError: 'Dot' object is not iterable