我找不到任何相关信息。我把它留给了几代人;)
解决方案:
172 custom_json = {
173 "project": {
174 "name": project.name,
175 "identifier": identifier,
176 "parent_id": parent_id,
177 "description": project.description,
178 **"is_public": False,**
179 }