Aspose.pdf for python via .NET Pdf to ppt issue on linux

Proxy error(NullReferenceException): Object reference not set to an instance of an object."

when my aspose.PptxSaveOptions() method called

Please note aspose.License and aspose.Document() method is working fine

@sakshampefo

Can you please share your complete sample code snippet and sample file for our reference so that we can test the scenario in our environment and address it accordingly.