old_contents: import testenv; testenv.configure_for_tests()
  import doctest, sys, unittest
  
  
  def suite():
      unittest_modules = (
          'ext.declarative',
          'ext.orderinglist',
          'ext.associationproxy',
          'ext.serializer',
          )
  
      if sys.version_info < (2, 4):
          doctest_modules = ()
      else:
          doctest_modules = (
              ('sqlalchemy.ext.orderinglist', {'optionflags': doctest.ELLIPSIS}),
              ('sqlalchemy.ext.sqlsoup', {})
              )
  
      alltests = unittest.TestSuite()
      for name in unittest_modules:
          mod = __import__(name)
          for token in name.split('.')[1:]:
              mod = getattr(mod, token)
          alltests.addTest(unittest.findTestCases(mod, suiteClass=None))
      for name, opts in doctest_modules:
          alltests.addTest(doctest.DocTestSuite(name, **opts))
      return alltests
  
  
  if __name__ == '__main__':
      testenv.main(suite())
  
new_contents: import testenv; testenv.configure_for_tests()
  import doctest, sys
  
  from testlib import sa_unittest as unittest
  
  
  def suite():
      unittest_modules = (
          'ext.declarative',
          'ext.orderinglist',
          'ext.associationproxy',
          'ext.serializer',
          )
  
      if sys.version_info < (2, 4):
          doctest_modules = ()
      else:
          doctest_modules = (
              ('sqlalchemy.ext.orderinglist', {'optionflags': doctest.ELLIPSIS}),
              ('sqlalchemy.ext.sqlsoup', {})
              )
  
      alltests = unittest.TestSuite()
      for name in unittest_modules:
          mod = __import__(name)
          for token in name.split('.')[1:]:
              mod = getattr(mod, token)
          alltests.addTest(unittest.findTestCases(mod, suiteClass=None))
      for name, opts in doctest_modules:
          alltests.addTest(doctest.DocTestSuite(name, **opts))
      return alltests
  
  
  if __name__ == '__main__':
      testenv.main(suite())
  
subject: fix unittest import