disable checksum

app.py

@@ -82,7 +82,9 @@ 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"}, signature_version='v4'),
+            config = Config(s3={"addressing_style": "virtual", 'payload_signing_enabled': False}, signature_version='v4',
+                request_checksum_calculation='when_required',
+                response_checksum_validation='when_required',),
         )
 
         # Upload the data to R2 bucket