old_contents: from __future__ import unicode_literals
  
  import re
  
  from setuptools import find_packages, setup
  
  
  def get_version(filename):
      content = open(filename).read()
      metadata = dict(re.findall("__([a-z]+)__ = '([^']+)'", content))
      return metadata['version']
  
  
  setup(
      name='Mopidy-Youtube',  # Casing as originally registrered on PyPI
      version=get_version('mopidy_youtube/__init__.py'),
      url='https://github.com/mopidy/mopidy-youtube',
      license='Apache License, Version 2.0',
      author='Janez Troha',
      author_email='dz0ny@ubuntu.si',
      description='Mopidy extension that plays sound from YouTube',
      long_description=open('README.rst').read(),
      packages=find_packages(exclude=['tests', 'tests.*']),
      zip_safe=False,
      include_package_data=True,
      install_requires=[
          'setuptools',
          'requests >= 2.2.1',
          'Mopidy >= 2.0',
          'Pykka >= 2.0.1',
          'youtube_dl',
          'cachetools',
          'requests_cache'
      ],
      entry_points={
          'mopidy.ext': [
              'youtube = mopidy_youtube:Extension',
          ],
      },
      classifiers=[
          'Environment :: No Input/Output (Daemon)',
          'Intended Audience :: End Users/Desktop',
          'License :: OSI Approved :: Apache Software License',
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 2',
          'Topic :: Multimedia :: Sound/Audio :: Players',
      ],
  )
  
new_contents: from __future__ import unicode_literals
  
  import re
  
  from setuptools import find_packages, setup
  
  
  def get_version(filename):
      content = open(filename).read()
      metadata = dict(re.findall("__([a-z]+)__ = '([^']+)'", content))
      return metadata['version']
  
  
  setup(
      name='Mopidy-Youtube',  # Casing as originally registrered on PyPI
      version=get_version('mopidy_youtube/__init__.py'),
      url='https://github.com/mopidy/mopidy-youtube',
      license='Apache License, Version 2.0',
      author='Janez Troha',
      author_email='dz0ny@ubuntu.si',
      description='Mopidy extension that plays sound from YouTube',
      long_description=open('README.rst').read(),
      packages=find_packages(exclude=['tests', 'tests.*']),
      zip_safe=False,
      include_package_data=True,
      install_requires=[
          'setuptools',
          'requests >= 2.2.1',
          'Mopidy >= 2.0',
          'Pykka >= 2.0.1',
          'youtube_dl',
          'bs4',
          'cachetools',
          'requests_cache'
      ],
      entry_points={
          'mopidy.ext': [
              'youtube = mopidy_youtube:Extension',
          ],
      },
      classifiers=[
          'Environment :: No Input/Output (Daemon)',
          'Intended Audience :: End Users/Desktop',
          'License :: OSI Approved :: Apache Software License',
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 2',
          'Topic :: Multimedia :: Sound/Audio :: Players',
      ],
  )
  
subject: Update setup.py to include bs4