update

app.py

@@ -82,7 +82,7 @@ def upload_data_to_r2(data, bucket_name, object_name, content_type='application/
             endpoint_url=f'https://{S3_ENDPOINT}',
             aws_access_key_id=S3_ACCESS_KEY,
             aws_secret_access_key=S3_SECRET_KEY,
-            config = Config(s3={"addressing_style": "virtual", 'payload_signing_enabled': True}, signature_version='s3v4'),
+            config = Config(s3={"addressing_style": "virtual"}, signature_version='v4'),
         )
 
         # Upload the data to R2 bucket