Fix wheel build command
Fix wheel build command

Change Ibc4abb0ba18673791634d79c4970be965f9774e6 dropped the "pip
wheel ..." bit of this, leading to syntax errors.

Change-Id: I70ae19cc974a8c34ad9ff380fee5adbb17c96ff4

openstack-infra/project-config,openstack-infra/project-config