old_contents: ######################## BEGIN LICENSE BLOCK ########################
  # This library is free software; you can redistribute it and/or
  # modify it under the terms of the GNU Lesser General Public
  # License as published by the Free Software Foundation; either
  # version 2.1 of the License, or (at your option) any later version.
  #
  # This library is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  # Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this library; if not, write to the Free Software
  # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  # 02110-1301  USA
  ######################### END LICENSE BLOCK #########################
  
  
  from .compat import PY2, PY3
  from .universaldetector import UniversalDetector
  
  
  def detect(byte_str):
      if (PY2 and isinstance(byte_str, unicode)) or (PY3 and
                                                 not isinstance(byte_str,
                                                                bytes)):
          raise ValueError('Expected a bytes object, not a unicode object')
  
      u = UniversalDetector()
      u.feed(byte_str)
      u.close()
      return u.result
  
new_contents: ######################## BEGIN LICENSE BLOCK ########################
  # This library is free software; you can redistribute it and/or
  # modify it under the terms of the GNU Lesser General Public
  # License as published by the Free Software Foundation; either
  # version 2.1 of the License, or (at your option) any later version.
  #
  # This library is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  # Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this library; if not, write to the Free Software
  # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  # 02110-1301  USA
  ######################### END LICENSE BLOCK #########################
  
  
  from .compat import PY2, PY3
  from .universaldetector import UniversalDetector
  from .version import __version, VERSION
  
  
  def detect(byte_str):
      if (PY2 and isinstance(byte_str, unicode)) or (PY3 and
                                                 not isinstance(byte_str,
                                                                bytes)):
          raise ValueError('Expected a bytes object, not a unicode object')
  
      u = UniversalDetector()
      u.feed(byte_str)
      u.close()
      return u.result
  
subject: Add missing __version__ import to __init__.py