Fix typo in shell cmd
Fix typo in shell cmd

Bug: 992211
Change-Id: Id800dfa113f3335118a837d4e9ba692775466feb
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-py/+/1745586
Reviewed-by: Takuto Ikuta <71927f930fca81015e0f496c65cd126ab1a692e3@chromium.org>
Reviewed-by: Vadim Shtayura <9f116ddb1b24f6fc1916a676eb17161b6c07dfc1@chromium.org>
Commit-Queue: Vadim Shtayura <9f116ddb1b24f6fc1916a676eb17161b6c07dfc1@chromium.org>

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