downgraded pydantic further

requirements.txt

@@ -5,4 +5,4 @@ streamlit==1.18.1
 openai==0.27.6
 huggingface_hub==0.23.0
 altair==4.2.2
-pydantic==1.10.21
+pydantic==1.10.9

testfile.ipynb

@@ -59,12 +59,18 @@
    "execution_count": null,
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "# 3\n",
+    "\n",
+    "# Instead of downgrading pydantic, consider upgrading langchain or llama-index. For example, the error in the title doesn't occur with pydantic==2.8.2 and llama_index.core==0.10.67. Similar errors involving langchain also doesn't occur for newer versions of langchain, e.g. langchain>=0.3.0 and langchain-core>=0.3.0.1\n",
+    "\n",
+    "# So pip install langchain langchain-core -U should really solve the issue."
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "env_rag",
+   "display_name": "env",
    "language": "python",
    "name": "python3"
   },