documents, lexicon, classes have right format,

create unittests,
all test passed

chatbot_model.ipynb

@@ -2,37 +2,32 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 1,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "The autoreload extension is already loaded. To reload it, use:\n",
-      "  %reload_ext autoreload\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "%load_ext autoreload\n",
     "%autoreload 2"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [
     {
-     "ename": "SyntaxError",
-     "evalue": "invalid syntax (chatbot_utils.py, line 73)",
-     "output_type": "error",
-     "traceback": [
-      "Traceback \u001b[1;36m(most recent call last)\u001b[0m:\n",
-      "  File \u001b[0;32m\"C:\\Program Files (x86)\\Microsoft Visual Studio\\Shared\\Anaconda3_64\\lib\\site-packages\\IPython\\core\\interactiveshell.py\"\u001b[0m, line \u001b[0;32m2862\u001b[0m, in \u001b[0;35mrun_code\u001b[0m\n    exec(code_obj, self.user_global_ns, self.user_ns)\n",
-      "\u001b[1;36m  File \u001b[1;32m\"<ipython-input-14-c3e331cd1d8e>\"\u001b[1;36m, line \u001b[1;32m8\u001b[1;36m, in \u001b[1;35m<module>\u001b[1;36m\u001b[0m\n\u001b[1;33m    import chatbot_utils\u001b[0m\n",
-      "\u001b[1;36m  File \u001b[1;32m\"C:\\Users\\kraus_ju\\Documents\\chatbot\\chatbot_utils.py\"\u001b[1;36m, line \u001b[1;32m73\u001b[0m\n\u001b[1;33m    /* class Dataset():\u001b[0m\n\u001b[1;37m    ^\u001b[0m\n\u001b[1;31mSyntaxError\u001b[0m\u001b[1;31m:\u001b[0m invalid syntax\n"
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "C:\\Program Files (x86)\\Microsoft Visual Studio\\Shared\\Anaconda3_64\\lib\\site-packages\\h5py\\__init__.py:34: FutureWarning: Conversion of the second argument of issubdtype from `float` to `np.floating` is deprecated. In future, it will be treated as `np.float64 == np.dtype(float).type`.\n",
+      "  from ._conv import register_converters as _register_converters\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "curses is not supported on this machine (please install/reinstall curses for an optimal experience)\n"
      ]
     }
    ],
@@ -44,30 +39,7 @@
     "import random\n",
     "\n",
     "# import our helper file\n",
-    "import chatbot_utils"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 15,
-   "metadata": {},
-   "outputs": [
-    {
-     "ename": "NameError",
-     "evalue": "name 'chatbot_utils' is not defined",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[1;31mNameError\u001b[0m                                 Traceback (most recent call last)",
-      "\u001b[1;32m<ipython-input-15-11736ce209ce>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0mints\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mchatbot_utils\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mIntents\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m      2\u001b[0m \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mints\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mdocuments\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      3\u001b[0m \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mwords\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
-      "\u001b[1;31mNameError\u001b[0m: name 'chatbot_utils' is not defined"
-     ]
-    }
-   ],
-   "source": [
-    "ints = chatbot_utils.Intents()\n",
-    "print(ints.documents)\n",
-    "print(words)"
+    "import utils"
    ]
   },
   {