old_contents: import sys
  from setuptools import setup, find_packages
  
  INSTALL_REQUIRES = ['pytz', 'workalendar']
  
  if sys.version_info < (2, 7):
      INSTALL_REQUIRES += ['backport_collections']
  
  setup(
      name='enerdata',
      version='0.17.1',
      packages=find_packages(),
      url='http://code.gisce.net',
      license='MIT',
      author='GISCE-TI, S.L.',
      author_email='devel@gisce.net',
      install_requires=INSTALL_REQUIRES,
      description=''
  )
  
new_contents: import sys
  from setuptools import setup, find_packages
  
  INSTALL_REQUIRES = ['pytz', 'workalendar']
  
  if sys.version_info < (2, 7):
      INSTALL_REQUIRES += ['backport_collections']
  
  setup(
      name='enerdata',
      version='0.18.0',
      packages=find_packages(),
      url='http://code.gisce.net',
      license='MIT',
      author='GISCE-TI, S.L.',
      author_email='devel@gisce.net',
      install_requires=INSTALL_REQUIRES,
      description=''
  )
  
subject: Bump to v0.18.0