fix removing rag_chain if gradio is not launched (openvinotoolkit#1767)

eaidova · web-flow · commit 6f2d0877dc69 · 2024-02-28T10:58:39.000+04:00
CVS-133979
diff --git a/notebooks/254-llm-chatbot/254-rag-chatbot.ipynb b/notebooks/254-llm-chatbot/254-rag-chatbot.ipynb
@@ -1243,6 +1243,7 @@
     "import re\n",
     "from uuid import uuid4\n",
     "\n",
+    "rag_chain = None\n",
     "\n",
     "def load_single_document(file_path: str) -> List[Document]:\n",
     "    \"\"\"\n",
