when retrieving image files, charts in this case, and using the v1/files endpoint what format are the image files in? there does not seem to be a png or jpg extention to the files
GET https://api.openai.com/v1/files/{file_id} 1
{“id”:“file-8WZJf4lbVRNot3lcuxS0zjoy”,“object”:“file”,“bytes”:null,“created_at”:1704267529,“filename”:“3d0fa27c-b5e3-4db3-a10c-eb8d78c4d8bf”,“purpose”:“assistants_output”}
“filename”:“3d0fa27c-b5e3-4db3-a10c-eb8d78c4d8bf” this does not have the extension.