[Bug] get method should change to post method

[huangdanqi]

Is this a new bug?

• I believe this is a new bug
• I have searched the existing issues, and I could not find an existing issue for this bug

Current Behavior

In' examples/learn/generation/langchain/handbook/09-langchain-streaming
/09-langchain-streaming.ipynb' , 'Using FastAPI with Agents' chapter
I think ' res = requests.get("http://localhost:8000/chat" ' requests.get should change into requests.post.

Expected Behavior

I think ' res = requests.get("http://localhost:8000/chat" ' requests.get should change into requests.post.

Steps To Reproduce

I think ' res = requests.get("http://localhost:8000/chat" ' requests.get should change into requests.post.

Relevant log output

Environment

- **OS**:
- **Language version**:
- **Pinecone client version**:

Additional Context

No response