Description of the problem, including code/CLI snippet

I am using the list method of project.issues to list issues with certain label. I am searching issue having "vulcheck" as label. In my project I have one issue with "vulcheck" label

def issue_by_project_label(self):
    print(self._project.issues.list(labels="vulcheck"))

Expected Behavior

It should return me the issues with label "vulcheck". I have one issue with label "vulcheck".

Actual Behavior

It is returning empty list

Specifications

• python-gitlab version: 2.1.2
• API version you are using (v3/v4): v4
• Gitlab server version (or gitlab.com): 12.6.6-ee