Fix outdated notebook call for NaturalEarth

Author: SorooshMani-NOAA

examples/CERA_workflow.ipynb

@@ -40,8 +40,8 @@
    },
    "outputs": [],
    "source": [
-    "world = gpd.read_file(gpd.datasets.get_path('naturalearth_lowres'))\n",
-    "us = world[world.name.isin(['United States of America', 'Puerto Rico'])]\n",
+    "world = gpd.read_file('https://naciscdn.org/naturalearth/110m/cultural/ne_110m_admin_0_countries.zip')\n",
+    "us = world[world.NAME.isin(['United States of America', 'Puerto Rico'])]\n",
     "us_coast = us.boundary.intersection(world.unary_union.boundary)\n",
     "ax = world.plot(color='k', alpha=0.1)\n",
     "us.plot(ax=ax, color='b', alpha=0.2)\n",
@@ -206,7 +206,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "python3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -220,7 +220,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.16"
+   "version": "3.10.14"
   }
  },
  "nbformat": 4,