Update app.py

app.py

@@ -16,7 +16,7 @@ async def upload_file(file: UploadFile = File(...)):
         'file_name': file.filename,
         'file_data': await file.read(),
        'mime_type': file.content_type,
-        'upload_time': datetime.datetime.utcnow()
+        'upload_time': datetime.utcnow()
     }
     return {"upload_id": upload_id, "message": "File uploaded successfully"}
 
@@ -34,14 +34,14 @@ async def upload_custom(file: UploadFile = File(...), download_link: str = Form(
         'file_name': file.filename,
         'file_data': await file.read(),
        'mime_type': file.content_type,
-        'upload_time': datetime.datetime.utcnow()
+        'upload_time': datetime.utcnow()
     }
     return {"download_link": download_link, "message": "File uploaded successfully"}
 
 @app.get("/download/{upload_id}")
 async def download_file(upload_id: str):
     # Remove expired files
-    expire_time = datetime.datetime.utcnow() - timedelta(minutes=5)
+    expire_time = datetime.utcnow() - timedelta(minutes=5)
     keys_to_remove = [key for key, value in data_storage.items() if value['upload_time'] < expire_time]
     for key in keys_to_remove:
         del data_storage[key]