[Docs] Add ruff linting to .ipynb files (#645)

examples/docs/quickstart.ipynb

@@ -23,8 +23,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import os\n",
     "import getpass\n",
+    "import os\n",
     "\n",
     "if not os.environ.get(\"OPENAI_API_KEY\"):\n",
     "    os.environ[\"OPENAI_API_KEY\"] = getpass.getpass(\"OpenAI API Key:\")"
@@ -36,8 +36,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain_openai import ChatOpenAI\n",
     "from langchain_core.messages import BaseMessage, HumanMessage\n",
+    "from langchain_openai import ChatOpenAI\n",
+    "\n",
     "from langgraph.graph import END, MessageGraph\n",
     "\n",
     "model = ChatOpenAI(temperature=0)\n",
@@ -73,7 +74,7 @@
     "\n",
     "try:\n",
     "    display(Image(runnable.get_graph(xray=True).draw_mermaid_png()))\n",
-    "except:\n",
+    "except Exception:\n",
     "    # This requires some extra dependencies and is optional\n",
     "    pass"
    ]
@@ -105,11 +106,13 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain_core.tools import tool\n",
-    "from langgraph.prebuilt import ToolNode\n",
-    "from langgraph.graph import END, START\n",
     "from typing import Literal\n",
     "\n",
+    "from langchain_core.tools import tool\n",
+    "\n",
+    "from langgraph.graph import END, START\n",
+    "from langgraph.prebuilt import ToolNode\n",
+    "\n",
     "\n",
     "@tool\n",
     "def multiply(first_number: int, second_number: int):\n",
@@ -161,7 +164,7 @@
    "source": [
     "try:\n",
     "    display(Image(runnable.get_graph(xray=True).draw_mermaid_png()))\n",
-    "except:\n",
+    "except Exception:\n",
     "    # This requires some extra dependencies and is optional\n",
     "    pass"
    ]