Harrison/pypdf loader (#3764)

Co-authored-by: Felipe Meres <felipe@felipemeres.com>

docs/modules/indexes/document_loaders/examples/pdf.ipynb

@@ -566,10 +566,50 @@
     "Additionally, you can pass along any of the options from the [PyMuPDF documentation](https://pymupdf.readthedocs.io/en/latest/app1.html#plain-text/) as keyword arguments in the `load` call, and it will be pass along to the `get_text()` call."
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "f0048206",
+   "metadata": {},
+   "source": [
+    "## PyPDF Directory\n",
+    "\n",
+    "Load PDFs from directory"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "ecd0cb16",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from langchain.document_loaders import PyPDFDirectoryLoader"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "96592167",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "loader = PyPDFDirectoryLoader(\"example_data/\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "c750454c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "docs = loader.load()"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "1bf73c97",
+   "id": "ab7f8fdb",
    "metadata": {},
    "outputs": [],
    "source": []
@@ -577,9 +617,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "langchain_dev",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
-   "name": "langchain_dev"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {
@@ -591,7 +631,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.8"
+   "version": "3.9.1"
   }
  },
  "nbformat": 4,