old_contents: # -*- coding: utf-8 -*-
  import os
  
  import django
  from django.conf import settings
  from django.template import loader
  from django.test import TestCase
  
  try:
      from django.test import override_settings
  except ImportError:
      from django.test.utils import override_settings
  
  class CrispyTestCase(TestCase):
      def setUp(self):
          template_dirs = [os.path.join(os.path.dirname(__file__), 'templates')]
          template_dirs = template_dirs + list(settings.TEMPLATE_DIRS)
          template_loaders = ['django.template.loaders.filesystem.Loader']
          template_loaders = template_loaders + list(settings.TEMPLATE_LOADERS)
  
          # ensuring test templates directory is loaded first
          self.__overriden_settings = override_settings(**{
              'TEMPLATE_LOADERS': template_loaders,
              'TEMPLATE_DIRS': template_dirs,
          })
          self.__overriden_settings.enable()
  
          if django.VERSION < 1.8:
              # resetting template loaders cache
              self.__template_source_loaders = loader.template_source_loaders
              loader.template_source_loaders = None
  
      def tearDown(self):
          if django.VERSION < 1.8:
              loader.template_source_loaders = self.__template_source_loaders
              self.__overriden_settings.disable()
  
      @property
      def current_template_pack(self):
          return getattr(settings, 'CRISPY_TEMPLATE_PACK', 'bootstrap')
  
new_contents: # -*- coding: utf-8 -*-
  import os
  
  import django
  from django.conf import settings
  from django.template import loader
  from django.test import TestCase
  
  try:
      from django.test import override_settings
  except ImportError:
      from django.test.utils import override_settings
  
  class CrispyTestCase(TestCase):
      def setUp(self):
          template_dirs = [os.path.join(os.path.dirname(__file__), 'templates')]
          template_dirs = template_dirs + list(settings.TEMPLATE_DIRS)
          template_loaders = ['django.template.loaders.filesystem.Loader']
          template_loaders = template_loaders + list(settings.TEMPLATE_LOADERS)
  
          # ensuring test templates directory is loaded first
          self.__overriden_settings = override_settings(**{
              'TEMPLATE_LOADERS': template_loaders,
              'TEMPLATE_DIRS': template_dirs,
          })
          self.__overriden_settings.enable()
  
          if django.VERSION < (1,8):
              # resetting template loaders cache
              self.__template_source_loaders = loader.template_source_loaders
              loader.template_source_loaders = None
  
      def tearDown(self):
          if django.VERSION < (1,8):
              loader.template_source_loaders = self.__template_source_loaders
              self.__overriden_settings.disable()
  
      @property
      def current_template_pack(self):
          return getattr(settings, 'CRISPY_TEMPLATE_PACK', 'bootstrap')
  
subject: Use tuple for version check