#273: Remove nose dependency for stacks_queues/ (#276)

stacks_queues/set_of_stacks/set_of_stacks_solution.ipynb

@@ -100,9 +100,7 @@
   {
    "cell_type": "code",
    "execution_count": 1,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "%run ../stack/stack.py"
@@ -111,9 +109,7 @@
   {
    "cell_type": "code",
    "execution_count": 2,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "class StackWithCapacity(Stack):\n",
@@ -174,9 +170,7 @@
   {
    "cell_type": "code",
    "execution_count": 3,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "name": "stdout",
@@ -188,10 +182,10 @@
    ],
    "source": [
     "%%writefile test_set_of_stacks.py\n",
-    "from nose.tools import assert_equal\n",
+    "import unittest\n",
     "\n",
     "\n",
-    "class TestSetOfStacks(object):\n",
+    "class TestSetOfStacks(unittest.TestCase):\n",
     "\n",
     "    def test_set_of_stacks(self):\n",
     "        print('Test: Push on an empty stack')\n",
@@ -205,14 +199,14 @@
     "        stacks.push('a')\n",
     "\n",
     "        print('Test: Pop on a stack to destroy it')\n",
-    "        assert_equal(stacks.pop(), 'a')\n",
+    "        self.assertEqual(stacks.pop(), 'a')\n",
     "\n",
     "        print('Test: Pop general case')\n",
-    "        assert_equal(stacks.pop(), 5)\n",
-    "        assert_equal(stacks.pop(), 3)\n",
+    "        self.assertEqual(stacks.pop(), 5)\n",
+    "        self.assertEqual(stacks.pop(), 3)\n",
     "\n",
     "        print('Test: Pop on no elements')\n",
-    "        assert_equal(stacks.pop(), None)\n",
+    "        self.assertEqual(stacks.pop(), None)\n",
     "\n",
     "        print('Success: test_set_of_stacks')\n",
     "\n",
@@ -229,9 +223,7 @@
   {
    "cell_type": "code",
    "execution_count": 4,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "name": "stdout",
@@ -268,9 +260,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.0"
+   "version": "3.7.2"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 0
+ "nbformat_minor": 1
 }