Update main.py

main.py

@@ -6,6 +6,7 @@ import re
 from dotenv import load_dotenv
 import os
 from fastapi import FastAPI
+from fastapi import Query
 from pydantic import BaseModel
 from fastapi.middleware.cors import CORSMiddleware
 
@@ -64,7 +65,7 @@ app.add_middleware(
 
 # Create a Pydantic model to handle the input data
 class TopicInput(BaseModel):
-    user_input: str
+    user_input: str = Query(default="", description="input query to generate subtopics")
     num_topics: int = Query(default=5, description="Number of subtopics to generate (default: 5)")
     previous_query: str = Query(default="", description="Previous query for context (default: empty string)")