Answer
Guard against None by using get_json(silent=True) with a fallback to an empty dict. In create_user and update_settings, replace data = request.json with data = request.get_json(silent=True) or {}. This prevents AttributeError by ensuring data is always a dict. Added a 400 response when required fields are missing remains unchanged. This also ensures safer handling for missing or incorrect Content-Type headers.
0f9aad7b-df75-4e3a-af85-38e611fd7d53
Guard against None by using get_json(silent=True) with a fallback to an empty dict. In create_user and update_settings, replace data = request.json with data = request.get_json(silent=True) or {}. This prevents AttributeError by ensuring data is always a dict. Added a 400 response when required fields are missing remains unchanged. This also ensures safer handling for missing or incorrect Content-Type headers.