Description of the problem, including code/CLI snippet

For instance, gitlab group search --id=31 --scope projects --search XYZ ends with the error TypeError: %d format: a number is required, not str. Several other commands end up the same way.

Expected Behavior

The command succeeds.

Actual Behavior

The code fails in objects.py at line path = '/groups/%d/search' % self.get_id()

Specifications

• python-gitlab version: 1.8.0
• API version you are using (v3/v4): na
• Gitlab server version (or gitlab.com): na

Fix:

Replace %d everywhere in objects.py with %s. Diff file attached:
fix.diff.zip