new_contents: import unittest2
  
  from riakcached.pools import Pool
  
  
  class TestPool(unittest2.TestCase):
      def test_not_implemented(self):
          pool = Pool(auto_connect=False)
          self.assertRaises(NotImplementedError, pool.connect)
          self.assertRaises(NotImplementedError, pool.close)
          self.assertRaises(
              NotImplementedError,
              pool.request,
              "GET",
              "http://127.0.0.1:8098/stats",
          )
  
subject: add tests for riakcached.pools.Pool