User: User: Analyse the following code: 
<code fileName="main.py" notes="">
import logging
import ast
from fastapi import FastAPI, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel
from gradio_client import Client
import uuid
from typing import Dict, List

# Configure logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger()

app = FastAPI()

# Configure CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=[&quot;*&quot;],  # Adjust this in production for security
    allow_credentials=True,
    allow_methods=[&quot;*&quot;],
    allow_headers=[&quot;*&quot;],
)

# Initialize the Gradio Client
# Depending on whether the client maintains state, you might need one per session
# For this example, we&#039;ll assume it&#039;s stateless or handles multiple sessions
client = Client(&quot;yuntian-deng/o1mini&quot;)

# Data model for messages
class Message(BaseModel):
    session_id: str = None  # Optional; if not provided, create a new session
    text: str

# Define a type for session histories
ConversationHistory = Dict[str, List[str]]

# In-memory store for conversation histories
# For production, consider using a persistent store like Redis or a database
conversation_histories: ConversationHistory = {}

def extract_latest_response(raw_response):
    try:
        # Remove the log tags and extract the content
        content = raw_response.replace(&#039;&lt;log&gt;\nINFO:root:Raw response from Gradio Client: &#039;, &#039;&#039;).replace(&#039;\n&lt;/log&gt;&#039;, &#039;&#039;)
        
        # Parse the content as a Python tuple
        parsed_content = ast.literal_eval(content)
        
        # Extract the first element of the tuple (the list of messages)
        messages = parsed_content[0]
        
        # Get the last message in the list
        last_message = messages[-1]
        
        # The response is the second element of the last message tuple
        response = last_message[1]
        
        return response
    except Exception as e:
        logger.error(f&quot;Error extracting response: {str(e)}&quot;)
        return &quot;Sorry, I encountered an error processing your request.&quot;

@app.post(&quot;/api/chat&quot;)
async def chat(message: Message):
    try:
        # If no session_id is provided, create a new one
        if not message.session_id:
            session_id = str(uuid.uuid4())
            conversation_histories[session_id] = []
            logger.info(f&quot;Created new session: {session_id}&quot;)
        else:
            session_id = message.session_id
            if session_id not in conversation_histories:
                # Handle invalid session_id
                raise HTTPException(status_code=400, detail=&quot;Invalid session_id.&quot;)
        
        # Append the user&#039;s message to the conversation history
        conversation_histories[session_id].append(f&quot;User: {message.text}&quot;)
        logger.info(f&quot;Session {session_id} | User: {message.text}&quot;)
        
        # Prepare the prompt by joining the history
        prompt = &quot;\n&quot;.join(conversation_histories[session_id])
        
        # Send the prompt to the AI model
        response = client.predict(prompt, api_name=&quot;/predict&quot;)
        logger.info(f&quot;Session {session_id} | Raw response: {response}&quot;)
        
        # Extract the latest response
        extracted_response = extract_latest_response(str(response))
        logger.info(f&quot;Session {session_id} | AI: {extracted_response}&quot;)
        
        # Append the AI&#039;s response to the conversation history
        conversation_histories[session_id].append(f&quot;AI: {extracted_response}&quot;)
        
        return {&quot;session_id&quot;: session_id, &quot;response&quot;: extracted_response}
    except HTTPException as he:
        raise he
    except Exception as e:
        logger.error(f&quot;Error processing chat request: {str(e)}&quot;, exc_info=True)
        raise HTTPException(status_code=500, detail=&quot;Internal Server Error.&quot;)

@app.post(&quot;/api/reset&quot;)
async def reset_chat():
    try:
        # Generate a new session_id
        session_id = str(uuid.uuid4())
        conversation_histories[session_id] = []
        logger.info(f&quot;Reset chat. New session created: {session_id}&quot;)
        return {&quot;session_id&quot;: session_id, &quot;status&quot;: &quot;Chat has been reset.&quot;}
    except Exception as e:
        logger.error(f&quot;Error resetting chat: {str(e)}&quot;, exc_info=True)
        raise HTTPException(status_code=500, detail=&quot;Failed to reset chat.&quot;)
</code>