it solved problem of pip's console showing error "module enum not ..."
[YOCTO #10904]
(From OE-Core rev: 1f379cbfa5ea9e29db771884bea61a7826f5f8ab)
Signed-off-by: Edwin Plauchu <edwin.plauchu.camacho@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>