Description of the false positive
Indeed, the loop variable suffix is not used in the loop body. That's not an issue though, the variable suffix is used after the loop.
URL to the alert on the project page on LGTM.com
https://lgtm.com/projects/g/ceph/ceph/snapshot/98d21225116c2bc83ed7761408f91d2e983311d9/files/src/ceph-volume/ceph_volume/util/disk.py?sort=name&dir=ASC&mode=heatmap#xd3036dc0d011c07e:1
Description of the false positive
Indeed, the loop variable
suffixis not used in the loop body. That's not an issue though, the variablesuffixis used after the loop.URL to the alert on the project page on LGTM.com
https://lgtm.com/projects/g/ceph/ceph/snapshot/98d21225116c2bc83ed7761408f91d2e983311d9/files/src/ceph-volume/ceph_volume/util/disk.py?sort=name&dir=ASC&mode=heatmap#xd3036dc0d011c07e:1