Why do I get this error most of the time trying to use the google API to upload and insert into slides a picture?

I am trying to generate slideshows automatically on Google Slides via the api in python3 and this involves uploading a graph to a particular slide. I created a service account with the slides and drive API enabled and I have the security key downloaded to a file called ‘secret.json’. My setup currently is that I… Read More Why do I get this error most of the time trying to use the google API to upload and insert into slides a picture?