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Subliminal is not launching, "ValueError: insecure string pickle"

See original GitHub issue

When I updated to macOS Sierra, Subliminal continued to work perfectly. But recently it is not working at all, I have this text when I execute it:

Traceback (most recent call last):
  File "/usr/local/bin/subliminal", line 11, in <module>
    load_entry_point('subliminal==2.0.5', 'console_scripts', 'subliminal')()
  File "/usr/local/Cellar/subliminal/2.0.5/libexec/lib/python2.7/site-packages/pkg_resources/__init__.py", line 567, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/local/Cellar/subliminal/2.0.5/libexec/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2604, in load_entry_point
    return ep.load()
  File "/usr/local/Cellar/subliminal/2.0.5/libexec/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2264, in load
    return self.resolve()
  File "/usr/local/Cellar/subliminal/2.0.5/libexec/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2270, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/usr/local/Cellar/subliminal/2.0.5/libexec/lib/python2.7/site-packages/subliminal/__init__.py", line 11, in <module>
    from .core import (AsyncProviderPool, ProviderPool, check_video, download_best_subtitles, download_subtitles,
  File "/usr/local/Cellar/subliminal/2.0.5/libexec/lib/python2.7/site-packages/subliminal/core.py", line 14, in <module>
    from rarfile import NotRarFile, RarCannotExec, RarFile
  File "/usr/local/Cellar/subliminal/2.0.5/libexec/lib/python2.7/site-packages/rarfile.py", line 1989, in <module>
    custom_check([UNRAR_TOOL], True)
  File "/usr/local/Cellar/subliminal/2.0.5/libexec/lib/python2.7/site-packages/rarfile.py", line 1917, in custom_check
    p = custom_popen(cmd)
  File "/usr/local/Cellar/subliminal/2.0.5/libexec/lib/python2.7/site-packages/rarfile.py", line 1908, in custom_popen
    creationflags = creationflags)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 710, in __init__
    errread, errwrite)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 1334, in _execute_child
    child_exception = pickle.loads(data)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py", line 1382, in loads
    return Unpickler(file).load()
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py", line 858, in load
    dispatch[key](self)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py", line 966, in load_string
    raise ValueError, "insecure string pickle"
ValueError: insecure string pickle