      "        assert_equal(stack.pop(), 5)\n",
      "        assert_equal(stack.minimum(), sys.maxsize)\n",
      "\n",
      "        print('Test: Pop empty stack')\n",
      "        assert_equal(stack.pop(), None)\n",
      "\n",
      "        print('Success: test_stack_min')\n",
      "\n",
      "\n",
      "def main():\n",
 
</s> remove     "        assert_equal(stack.pop(), None)\n",
 </s> add     "        self.assertEqual(stack.pop(), None)\n", </s> remove     "        assert_equal(stack.pop(), 0)\n",
    "        assert_equal(stack.minimum(), 1)\n",
    "        assert_equal(stack.pop(), 3)\n",
    "        assert_equal(stack.minimum(), 1)\n",
    "        assert_equal(stack.pop(), 1)\n",
    "        assert_equal(stack.minimum(), 5)\n",
    "        assert_equal(stack.pop(), 5)\n",
    "        assert_equal(stack.minimum(), sys.maxsize)\n",
 </s> add     "        self.assertEqual(stack.pop(), 0)\n",
    "        self.assertEqual(stack.minimum(), 1)\n",
    "        self.assertEqual(stack.pop(), 3)\n",
    "        self.assertEqual(stack.minimum(), 1)\n",
    "        self.assertEqual(stack.pop(), 1)\n",
    "        self.assertEqual(stack.minimum(), 5)\n",
    "        self.assertEqual(stack.pop(), 5)\n",
    "        self.assertEqual(stack.minimum(), sys.maxsize)\n", </s> remove     "        assert_equal(stack.pop(), 0)\n",
    "        assert_equal(stack.minimum(), 1)\n",
    "        assert_equal(stack.pop(), 3)\n",
    "        assert_equal(stack.minimum(), 1)\n",
    "        assert_equal(stack.pop(), 1)\n",
    "        assert_equal(stack.minimum(), 5)\n",
    "        assert_equal(stack.pop(), 5)\n",
    "        assert_equal(stack.minimum(), sys.maxsize)\n",
 </s> add     "        self.assertEqual(stack.pop(), 0)\n",
    "        self.assertEqual(stack.minimum(), 1)\n",
    "        self.assertEqual(stack.pop(), 3)\n",
    "        self.assertEqual(stack.minimum(), 1)\n",
    "        self.assertEqual(stack.pop(), 1)\n",
    "        self.assertEqual(stack.minimum(), 5)\n",
    "        self.assertEqual(stack.pop(), 5)\n",
    "        self.assertEqual(stack.minimum(), sys.maxsize)\n", </s> remove     "        assert_equal(stacks.pop(), None)\n",
 </s> add     "        self.assertEqual(stacks.pop(), None)\n", </s> remove     "        assert_equal(stacks.pop(), None)\n",
 </s> add     "        self.assertEqual(stacks.pop(), None)\n",
    "        self.assertEqual(stack.pop(), None)\n",
      "        assert_equal(stack.pop(), 5)\n",
      "        assert_equal(stack.minimum(), sys.maxsize)\n",
      "\n",
      "        print('Test: Pop empty stack')\n",
    "        self.assertEqual(stack.pop(), None)\n",
      "\n",
      "        print('Success: test_stack_min')\n",
      "\n",
      "\n",
      "def main():\n",
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for stacks_queues/ (#276) 
stacks_queues/stack_min/stack_min_challenge.ipynb