Change Str with Array

[wrbst]

python-powerstore/PyPowerStore/provisioning.py

Line 1508 in 8810b63

:type volume_ids: str

[taohe1012]

Hi @wrbst , Thank you for finding this issue.
Raised one PR to change the volume_ids param description from str to list, thanks
Please refer to this PR: https://github.com/dell/python-powerstore/pull/46