Update app.py

app.py

@@ -1,7 +1,7 @@
 import re
 import os
 import joblib
-from fastapi import FastAPI, Request
+from fastapi import FastAPI, File, UploadFile
 from pydantic import BaseModel
 from fastapi.middleware.cors import CORSMiddleware
 from sentence_transformers import SentenceTransformer, util