[client] Fix regression in a768d983f4
[client] Fix regression in a768d983f4

I typoed cleanup() to clean().

TBR=qyearsley@chromium.org

Bug: 717716
Change-Id: I927fc0797b933933738c252ed8fed12b82708b1b
Reviewed-on: https://chromium-review.googlesource.com/1104380
Reviewed-by: Marc-Antoine Ruel <d2bf0fc09b08f7b0888b3ddab32b3e89c7122c8b@chromium.org>
Commit-Queue: Marc-Antoine Ruel <d2bf0fc09b08f7b0888b3ddab32b3e89c7122c8b@chromium.org>

luci/luci-py,luci/luci-py,luci/luci-py,luci/luci-py