Update main.py

main.py

@@ -1,21 +1,16 @@
 import os
 from fastapi import FastAPI, HTTPException
 from pydantic import BaseModel, Field
-from typing import List, Optional
-import asyncio
-import nest_asyncio
+from typing import List
 from crawl4ai import AsyncWebCrawler
-from crawl4ai.extraction_strategy import JsonCssExtractionStrategy, LLMExtractionStrategy
+from crawl4ai.extraction_strategy import LLMExtractionStrategy
 import json
-import time
 from dotenv import load_dotenv
 
 load_dotenv()  # Load environment variables from .env file
 
 app = FastAPI()
 
-nest_asyncio.apply()
-
 class CrawlerInput(BaseModel):
     url: str = Field(..., description="URL to crawl")
     columns: List[str] = Field(..., description="List of required columns")
@@ -57,4 +52,4 @@ async def test():
 
 if __name__ == "__main__":
     import uvicorn
-    uvicorn.run(app, host="0.0.0.0", port=8000)
+    uvicorn.run(app, host="0.0.0.0", port=8000, loop="asyncio")