Description of the problem, including code/CLI snippet

cli command return error
./gitlab -v user-project list --user-id 777

Expected Behavior

list of user project

Actual Behavior

Impossible to list objects ('NoneType' object has no attribute 'id')

Specifications

• python-gitlab version: 1.11.0
• API version you are using (v3/v4): v4
• Gitlab server version (or gitlab.com): 12.2.5