Add fix in RDF notebook

rdf/RDF.ipynb

@@ -72,9 +72,9 @@
     "deletable": false,
     "editable": false,
     "nbgrader": {
-     "checksum": "711717202b6164f635b1ee3947368ad5",
+     "checksum": "3291946a5839da468d738588564690ec",
      "grade": false,
-     "grade_id": "cell-d7f1ea9c021693b8",
+     "grade_id": "cell-oaisjd",
      "locked": true,
      "schema_version": 1,
      "solution": false
@@ -87,6 +87,48 @@
     "!{sys.executable} -m pip install --user -r requirements.txt"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "deletable": false,
+    "editable": false,
+    "nbgrader": {
+     "checksum": "2407937d03fd7b85d5e3580d32707f29",
+     "grade": false,
+     "grade_id": "cell-oaisjdojasid",
+     "locked": true,
+     "schema_version": 1,
+     "solution": false
+    }
+   },
+   "source": [
+    "**ALTERNATIVELY**, if this doesn't work, try this:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "deletable": false,
+    "editable": false,
+    "nbgrader": {
+     "checksum": "e4ee23a6c5b09ac89d0c5e3bd36df7ec",
+     "grade": false,
+     "grade_id": "cell-install2",
+     "locked": true,
+     "schema_version": 1,
+     "solution": false
+    }
+   },
+   "outputs": [],
+   "source": [
+    "# Install a pip package in the current Jupyter kernel\n",
+    "import sys\n",
+    "import os\n",
+    "sys.path.append(os.path.join(os.getcwd(), '.jupyter'))\n",
+    "!{sys.executable} -m pip install --target '.jupyter' -r requirements.txt"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {