diff --git a/tests/Maps.ipynb b/tests/Maps.ipynb
index 96ca20bb9..55929688d 100644
--- a/tests/Maps.ipynb
+++ b/tests/Maps.ipynb
@@ -6,15 +6,14 @@
    "metadata": {},
    "outputs": [
     {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "\n",
-      "Bad key \"text.kerning_factor\" on line 4 in\n",
-      "/Users/ahemani/anaconda3/envs/datascience/lib/python3.7/site-packages/matplotlib/mpl-data/stylelib/_classic_test_patch.mplstyle.\n",
-      "You probably need to get an updated matplotlibrc file from\n",
-      "https://github.com/matplotlib/matplotlib/blob/v3.1.3/matplotlibrc.template\n",
-      "or from the matplotlib source distribution\n"
+     "ename": "ModuleNotFoundError",
+     "evalue": "No module named 'datascience'",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[31m---------------------------------------------------------------------------\u001b[39m",
+      "\u001b[31mModuleNotFoundError\u001b[39m                       Traceback (most recent call last)",
+      "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[1]\u001b[39m\u001b[32m, line 1\u001b[39m\n\u001b[32m----> \u001b[39m\u001b[32m1\u001b[39m \u001b[38;5;28;01mfrom\u001b[39;00m\u001b[38;5;250m \u001b[39m\u001b[34;01mdatascience\u001b[39;00m\u001b[38;5;250m \u001b[39m\u001b[38;5;28;01mimport\u001b[39;00m *\n",
+      "\u001b[31mModuleNotFoundError\u001b[39m: No module named 'datascience'"
      ]
     }
    ],
@@ -83,35 +82,28 @@
    "metadata": {},
    "outputs": [
     {
-     "data": {
-      "text/html": [
-       "<div style=\"width:100%;\"><div style=\"position:relative;width:100%;height:0;padding-bottom:60%;\"><iframe src=\"data:text/html;charset=utf-8;base64,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\" style=\"position:absolute;width:100%;height:100%;left:0;top:0;border:none !important;\" allowfullscreen webkitallowfullscreen mozallowfullscreen></iframe></div></div>"
-      ],
-      "text/plain": [
-       "<IPython.core.display.HTML object>"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "text/html": [
-       "<div style=\"width:100%;\"><div style=\"position:relative;width:100%;height:0;padding-bottom:60%;\"><iframe src=\"data:text/html;charset=utf-8;base64,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\" style=\"position:absolute;width:100%;height:100%;left:0;top:0;border:none !important;\" allowfullscreen webkitallowfullscreen mozallowfullscreen></iframe></div></div>"
-      ],
-      "text/plain": [
-       "<datascience.maps.Map at 0x7fde242667d0>"
-      ]
-     },
-     "execution_count": 4,
-     "metadata": {},
-     "output_type": "execute_result"
+     "ename": "NameError",
+     "evalue": "name 'Map' is not defined",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[31m---------------------------------------------------------------------------\u001b[39m",
+      "\u001b[31mNameError\u001b[39m                                 Traceback (most recent call last)",
+      "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[7]\u001b[39m\u001b[32m, line 2\u001b[39m\n\u001b[32m      1\u001b[39m \u001b[38;5;66;03m# Different tile styles\u001b[39;00m\n\u001b[32m----> \u001b[39m\u001b[32m2\u001b[39m \u001b[43mMap\u001b[49m(\n\u001b[32m      3\u001b[39m     tiles=\u001b[33m'\u001b[39m\u001b[33mStamen Toner\u001b[39m\u001b[33m'\u001b[39m,\n\u001b[32m      4\u001b[39m     attr=\u001b[33m'\u001b[39m\u001b[33mMap tiles by Stamen Design, CC BY 3.0 — Map data © OpenStreetMap contributors\u001b[39m\u001b[33m'\u001b[39m\n\u001b[32m      5\u001b[39m ).show()\n\u001b[32m      7\u001b[39m Map(\n\u001b[32m      8\u001b[39m     tiles=\u001b[33m'\u001b[39m\u001b[33mStadia.StamenTerrain\u001b[39m\u001b[33m'\u001b[39m,\n\u001b[32m      9\u001b[39m     attr=\u001b[33m'\u001b[39m\u001b[33mMap tiles by Stamen Design, CC BY 3.0 — Map data © OpenStreetMap contributors\u001b[39m\u001b[33m'\u001b[39m\n\u001b[32m     10\u001b[39m ).show()\n",
+      "\u001b[31mNameError\u001b[39m: name 'Map' is not defined"
+     ]
     }
    ],
    "source": [
     "# Different tile styles\n",
-    "Map(tiles='Stamen Toner').show()\n",
-    "Map(tiles='Stamen Terrain')"
+    "Map(\n",
+    "    tiles='Stamen Toner',\n",
+    "    attr='Map tiles by Stamen Design, CC BY 3.0 — Map data © OpenStreetMap contributors'\n",
+    ").show()\n",
+    "\n",
+    "Map(\n",
+    "    tiles='Stadia.StamenTerrain',\n",
+    "    attr='Map tiles by Stamen Design, CC BY 3.0 — Map data © OpenStreetMap contributors'\n",
+    ").show()"
    ]
   },
   {