Merge pull request #1985 from Honei/develop

[audio]fix the pathos==0.2.8

audio/setup.py

@@ -83,7 +83,7 @@ setuptools.setup(
     python_requires='>=3.6',
     install_requires=[
         'numpy >= 1.15.0', 'scipy >= 1.0.0', 'resampy >= 0.2.2',
-        'soundfile >= 0.9.0', 'colorlog', 'dtaidistance == 2.3.1', 'pathos'
+        'soundfile >= 0.9.0', 'colorlog', 'dtaidistance == 2.3.1', 'pathos==0.2.8'
     ],
     extras_require={
         'test': [