code: def assets_set_asset(self, asset_name, file, **kwargs):
          
          content_type = mimetypes.MimeTypes().guess_type(file)
          files = {
              asset_name: (file, open(file, 'rb'), content_type[0], {'Expires': '0'}),
          }
          return self.__call_api_post('assets.setAsset', kwargs=kwargs, use_json=False, files=files)
docs: Set an asset image by name.