Update main.py

main.py

@@ -3,6 +3,7 @@ from dotenv import load_dotenv
 from fastapi import FastAPI, Request, HTTPException
 from langchain.document_loaders import WebBaseLoader
 from langchain.chains.summarize import load_summarize_chain
+#https://python.langchain.com/docs/use_cases/summarization
 from langchain import HuggingFaceHub
 from huggingface_hub import InferenceClient
 #from bs4 import BeautifulSoup
@@ -45,7 +46,8 @@ async def chat(request: Request):
             docs = loader.load()
             result = chain.run(docs)
             print("AI Summarization: " + result)
-            return {'response': result}
+            #return {'response': result}  #FastAPI方式下，这个返回形式，有问题？
+            return JSONResponse({'response': result})
         except Exception as e:
             err_msg = "Wrong URL or URL not parsable."
             print(err_msg)