old_contents: """This module contains an example of everything the custom checker looks
  for."""
  #pylint: disable=no-init,too-few-public-methods,pointless-statement,unreachable,pointless-string-statement,multiple-statements,missing-docstring,invalid-name
  import os
  print u'hello, world'
  exec '2 + 3'
  raise "a string"  # pylint: disable=native-string
  raise Exception, u"old syntax"
  try: pass
  except ZeroDivisionError, (a, b): pass
  NO_INDEXING_EXCEPTIONS = Exception(1)[0]
  u"old comparison" <> u"only for FLUFL"
  `u"backticks"`
  class Bad:
      __metaclass__ = type
      def __getslice__(self, i, j): pass
      def __setslice__(self, i, j, value): pass
      def __cmp__(self, other): pass
      def __coerce__(self, other): pass
      def __unicode__(self): pass
      def next(self): pass
  buffer
  apply
  cmp
  file
  raw_input
  long
  coerce
  execfile
  xrange
  unicode
  StandardError
  map(None, [1, 2, 3])
  zip([1, 2, 3], [4, 5, 6])
  'no prefix or future statement'
  012
  123L
  3 / 2
  
new_contents: """This module contains an example of everything the custom checker looks
  for.
  
  When run through Pylint using the included pylintrc in the project you should
  see a warning for nearly every line.
  """
  #pylint: disable=locally-disabled,no-init,too-few-public-methods,pointless-statement,unreachable,pointless-string-statement,multiple-statements,missing-docstring,invalid-name
  import os  # pylint: disable=unused-import
  print u'hello, world'
  exec u'2 + 3'  # pylint: disable=exec-used
  raise "a string"  # pylint: disable=native-string
  raise Exception, u"old syntax"
  try: pass
  except ZeroDivisionError, (a, b): pass
  NO_INDEXING_EXCEPTIONS = Exception(1)[0]
  u"old comparison" <> u"only for FLUFL"
  `u"backticks"`
  class Bad:
      __metaclass__ = type
      def __getslice__(self, i, j): pass
      def __setslice__(self, i, j, value): pass
      def __cmp__(self, other): pass
      def __coerce__(self, other): pass
      def __unicode__(self): pass
      def next(self): pass
  buffer
  apply
  cmp
  file
  raw_input
  long
  coerce
  execfile
  xrange
  unicode
  StandardError
  map(None, [1, 2, 3])
  zip([1, 2, 3], [4, 5, 6])
  'no prefix or future statement'
  012
  123L
  3 / 2
  
subject: Make warnings on bad.py cleaner