old_contents: # Copyright (c) 2013 Paul Tagliamonte <paultag@debian.org>
  # Copyright (c) 2013 Julien Danjou <julien@danjou.info>
  # Copyright (c) 2013 Berker Peksag <berker.peksag@gmail.com>
  #
  # Permission is hereby granted, free of charge, to any person obtaining a
  # copy of this software and associated documentation files (the "Software"),
  # to deal in the Software without restriction, including without limitation
  # the rights to use, copy, modify, merge, publish, distribute, sublicense,
  # and/or sell copies of the Software, and to permit persons to whom the
  # Software is furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  # DEALINGS IN THE SOFTWARE.
  
  try:
      import __builtin__ as builtins
  except ImportError:
      import builtins  # NOQA
  try:
      from py_compile import MAGIC, wr_long
  except ImportError:
      # py_compile.MAGIC removed and imp.get_magic() deprecated in Python 3.4
      from importlib.util import MAGIC_NUMBER as MAGIC  # NOQA
  
      def wr_long(f, x):
          """Internal; write a 32-bit int to a file in little-endian order."""
          f.write(bytes([x & 0xff,
                         (x >> 8) & 0xff,
                         (x >> 16) & 0xff,
                         (x >> 24) & 0xff]))
  import sys
  
  PY27 = sys.version_info >= (2, 7)
  PY3 = sys.version_info[0] >= 3
  PY33 = sys.version_info >= (3, 3)
  PY34 = sys.version_info >= (3, 4)
  
  if PY3:
      str_type = str
  else:
      str_type = unicode  # NOQA
  
  if PY3:
      long_type = int
  else:
      long_type = long  # NOQA
  
  if PY3:
      exec('def raise_empty(t, *args): raise t(*args) from None')
  else:
      def raise_empty(t, *args): raise t(*args)
  
new_contents: # Copyright (c) 2013 Paul Tagliamonte <paultag@debian.org>
  # Copyright (c) 2013 Julien Danjou <julien@danjou.info>
  # Copyright (c) 2013 Berker Peksag <berker.peksag@gmail.com>
  #
  # Permission is hereby granted, free of charge, to any person obtaining a
  # copy of this software and associated documentation files (the "Software"),
  # to deal in the Software without restriction, including without limitation
  # the rights to use, copy, modify, merge, publish, distribute, sublicense,
  # and/or sell copies of the Software, and to permit persons to whom the
  # Software is furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  # DEALINGS IN THE SOFTWARE.
  
  try:
      import __builtin__ as builtins
  except ImportError:
      import builtins  # NOQA
  try:
      from py_compile import MAGIC, wr_long
  except ImportError:
      # py_compile.MAGIC removed and imp.get_magic() deprecated in Python 3.4
      from importlib.util import MAGIC_NUMBER as MAGIC  # NOQA
  
      def wr_long(f, x):
          """Internal; write a 32-bit int to a file in little-endian order."""
          f.write(bytes([x & 0xff,
                         (x >> 8) & 0xff,
                         (x >> 16) & 0xff,
                         (x >> 24) & 0xff]))
  import sys
  
  PY27 = sys.version_info >= (2, 7)
  PY3 = sys.version_info[0] >= 3
  PY33 = sys.version_info >= (3, 3)
  PY34 = sys.version_info >= (3, 4)
  
  if PY3:
      str_type = str
  else:
      str_type = unicode  # NOQA
  
  if PY3:
      long_type = int
  else:
      long_type = long  # NOQA
  
  if PY3:
      exec('def raise_empty(t, *args): raise t(*args) from None')
  else:
      def raise_empty(t, *args):
          raise t(*args)
  
subject: Fix flake8 errors