old_contents: from __future__ import absolute_import, print_function
  
  import doctest
  import fnmatch
  import importlib
  import os
  import pkgutil
  import re
  import sys
  
  import fuel
  from tests import skip_if_not_available
  
  
  class Py23DocChecker(doctest.OutputChecker):
      """Single-source Python 2/3 output checker
  
      For more information, see the `original blog post`_.
  
      .. _original blog post:
         https://dirkjan.ochtman.nl/writing/2014/07/06/
         single-source-python-23-doctests.html
      """
      def check_output(self, want, got, optionflags):
          if sys.version_info[0] > 2:
              want = re.sub("u'(.*?)'", "'\\1'", want)
              want = re.sub('u"(.*?)"', '"\\1"', want)
          return doctest.OutputChecker.check_output(self, want, got, optionflags)
  
  
  def setup(testobj):
      skip_if_not_available(modules=['nose2'])
      # Not importing unicode_literal because it gives problems
      # If needed, see https://dirkjan.ochtman.nl/writing/2014/07/06/
      # single-source-python-23-doctests.html for a solution
      testobj.globs['absolute_import'] = absolute_import
      testobj.globs['print_function'] = print_function
  
  
  def load_tests(loader, tests, ignore):
      # This function loads doctests from all submodules and runs them
      # with the __future__ imports necessary for Python 2
      for _, module, _ in pkgutil.walk_packages(path=fuel.__path__,
                                                prefix=fuel.__name__ + '.'):
          try:
              tests.addTests(doctest.DocTestSuite(
                  module=importlib.import_module(module), setUp=setup,
                  optionflags=doctest.IGNORE_EXCEPTION_DETAIL,
                  checker=Py23DocChecker()))
          except:
              pass
  
      # This part loads the doctests from the documentation
      docs = []
      for root, _, filenames in os.walk(os.path.join(fuel.__path__[0],
                                                     '../docs')):
          for doc in fnmatch.filter(filenames, '*.rst'):
              docs.append(os.path.abspath(os.path.join(root, doc)))
      tests.addTests(doctest.DocFileSuite(
          *docs, module_relative=False, setUp=setup,
          optionflags=doctest.IGNORE_EXCEPTION_DETAIL,
          checker=Py23DocChecker()))
  
      return tests
  
new_contents: from __future__ import absolute_import, print_function
  
  import doctest
  import fnmatch
  import importlib
  import os
  import pkgutil
  import re
  import sys
  from doctest import OutputChecker
  
  import fuel
  from tests import skip_if_not_available
  
  
  class Py23DocChecker(OutputChecker):
      """Single-source Python 2/3 output checker
  
      For more information, see the `original blog post`_.
  
      .. _original blog post:
         https://dirkjan.ochtman.nl/writing/2014/07/06/
         single-source-python-23-doctests.html
  
      """
      def check_output(self, want, got, optionflags):
          if sys.version_info[0] > 2:
              want = re.sub("u'(.*?)'", "'\\1'", want)
              want = re.sub('u"(.*?)"', '"\\1"', want)
          return doctest.OutputChecker.check_output(self, want, got, optionflags)
  
  
  def setup(testobj):
      skip_if_not_available(modules=['nose2'])
      # Not importing unicode_literal because it gives problems
      # If needed, see https://dirkjan.ochtman.nl/writing/2014/07/06/
      # single-source-python-23-doctests.html for a solution
      testobj.globs['absolute_import'] = absolute_import
      testobj.globs['print_function'] = print_function
  
  
  def load_tests(loader, tests, ignore):
      # This function loads doctests from all submodules and runs them
      # with the __future__ imports necessary for Python 2
      for _, module, _ in pkgutil.walk_packages(path=fuel.__path__,
                                                prefix=fuel.__name__ + '.'):
          try:
              tests.addTests(doctest.DocTestSuite(
                  module=importlib.import_module(module), setUp=setup,
                  optionflags=doctest.IGNORE_EXCEPTION_DETAIL,
                  checker=Py23DocChecker()))
          except:
              pass
  
      # This part loads the doctests from the documentation
      docs = []
      for root, _, filenames in os.walk(os.path.join(fuel.__path__[0],
                                                     '../docs')):
          for doc in fnmatch.filter(filenames, '*.rst'):
              docs.append(os.path.abspath(os.path.join(root, doc)))
      tests.addTests(doctest.DocFileSuite(
          *docs, module_relative=False, setUp=setup,
          optionflags=doctest.IGNORE_EXCEPTION_DETAIL,
          checker=Py23DocChecker()))
  
      return tests
  
subject: Fix Scrutinizer failures