diff --git a/01-exploratory-data-analysis.ipynb b/01-exploratory-data-analysis.ipynb
index 48e9c98..812687a 100644
--- a/01-exploratory-data-analysis.ipynb
+++ b/01-exploratory-data-analysis.ipynb
@@ -45,21 +45,29 @@
     "The first step is loading sample datasets and understanding the data shape, types, statistical distribution, categories, missing values, and so on."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "outputs": [],
+   "source": [
+    "!pip install seaborn"
+   ],
+   "metadata": {
+    "collapsed": false
+   }
+  },
   {
    "cell_type": "code",
    "execution_count": 1,
-   "metadata": {},
    "outputs": [],
    "source": [
-    "import numpy as np\n",
-    "import pandas as pd\n",
     "import matplotlib.pyplot as plt\n",
     "import seaborn as sns\n",
-    "import datetime\n",
-    "import math\n",
-    "import IPython\n",
     "sns.set()"
-   ]
+   ],
+   "metadata": {
+    "collapsed": false
+   }
   },
   {
    "cell_type": "code",