parted output shows the partition table as a loop when there is not a partition available on the disk

Issue

• When the whole device (SCSI/nvme disk or lvm volume) is used for the filesystem, the parted command will report “loop” partition table on that device.

$ parted /dev/sdb u s p
Model: VMware Virtual disk (scsi)
Disk /dev/sdb: 17179869184s
Sector size (logical/physical): 512B/512B
Partition Table: loop  <<------------------------
Disk Flags: 

Number  Start  End           Size          File system  Flags
 1      0s     17179869183s  17179869184s  ext4