DOC: Added notes in ipynb file to advise user to upgrade package lang…

…chain_openai. For issue: #26616 (#27621)

Thank you for contributing to LangChain!

- [X] **PR title**: DOC: Added notes in ipynb file to advice user to
upgrade package langchain_openai.


- [X] 

Added notes from the issue report: to advise the user to upgrade
langchain_openai


Issue: 
#26616

- [ ] **Add tests and docs**: 

- [ ] **Lint and test**: 

- [ ]

---------

Co-authored-by: Libby Lin <[email protected]>
Co-authored-by: Erick Friis <[email protected]>

docs/docs/integrations/tools/pandas.ipynb

@@ -9,7 +9,13 @@
     "\n",
     "This notebook shows how to use agents to interact with a `Pandas DataFrame`. It is mostly optimized for question answering.\n",
     "\n",
-    "**NOTE: this agent calls the `Python` agent under the hood, which executes LLM generated Python code - this can be bad if the LLM generated Python code is harmful. Use cautiously.**"
+    "**NOTE: this agent calls the `Python` agent under the hood, which executes LLM generated Python code - this can be bad if the LLM generated Python code is harmful. Use cautiously.**\n",
+    "\n",
+    "**NOTE: Since langchain migrated to v0.3 you should upgrade langchain_openai and langchain.   This would avoid import errors.**\n",
+    "\n",
+    "\n",
+    "pip install --upgrade langchain_openai\n",
+    "pip install --upgrade langchain\n"
    ]
   },
   {
@@ -294,7 +300,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.1"
+   "version": "3.11.7"
   }
  },
  "nbformat": 4,