old_contents: """
  ______ _____ _____ _____    __
  | ___ \  ___/  ___|_   _|  / _|                                           | |
  | |_/ / |__ \ `--.  | |   | |_ _ __ __ _ _ __ ___   _____      _____  _ __| |__
  |    /|  __| `--. \ | |   |  _| '__/ _` | '_ ` _ \ / _ \ \ /\ / / _ \| '__| |/ /
  | |\ \| |___/\__/ / | |   | | | | | (_| | | | | | |  __/\ V  V / (_) | |  |   <
  \_| \_\____/\____/  \_/   |_| |_|  \__,_|_| |_| |_|\___| \_/\_/ \___/|_|  |_|\_|
  """
  
  __title__ = 'Django REST framework'
  __version__ = '3.0.5'
  __author__ = 'Tom Christie'
  __license__ = 'BSD 2-Clause'
  __copyright__ = 'Copyright 2011-2015 Tom Christie'
  
  # Version synonym
  VERSION = __version__
  
  # Header encoding (see RFC5987)
  HTTP_HEADER_ENCODING = 'iso-8859-1'
  
  # Default datetime input and output formats
  ISO_8601 = 'iso-8601'
  
new_contents: """
  ______ _____ _____ _____    __
  | ___ \  ___/  ___|_   _|  / _|                                           | |
  | |_/ / |__ \ `--.  | |   | |_ _ __ __ _ _ __ ___   _____      _____  _ __| |__
  |    /|  __| `--. \ | |   |  _| '__/ _` | '_ ` _ \ / _ \ \ /\ / / _ \| '__| |/ /
  | |\ \| |___/\__/ / | |   | | | | | (_| | | | | | |  __/\ V  V / (_) | |  |   <
  \_| \_\____/\____/  \_/   |_| |_|  \__,_|_| |_| |_|\___| \_/\_/ \___/|_|  |_|\_|
  """
  
  __title__ = 'Django REST framework'
  __version__ = '3.1.0'
  __author__ = 'Tom Christie'
  __license__ = 'BSD 2-Clause'
  __copyright__ = 'Copyright 2011-2015 Tom Christie'
  
  # Version synonym
  VERSION = __version__
  
  # Header encoding (see RFC5987)
  HTTP_HEADER_ENCODING = 'iso-8859-1'
  
  # Default datetime input and output formats
  ISO_8601 = 'iso-8601'
  
subject: Update version