JIRA: YARDSTICK-622
Bug log: https://build.opnfv.org/ci/view/armband/job/yardstick-fuel-armband-baremetal-daily-danube/24/console
This error is because the file changes done in the load_images.sh is not updated.
After file modification, pip install -U . is required to tack changes into effect.
Change-Id: I8be3ffc963e3d5cec861b68a33efc2fa5bdabbd2
Signed-off-by: JingLu5 <lvjing5@huawei.com>
         for filename in tests/opnfv/test_cases/*; do
             sed -i "s/cidr: '10.0.1.0\/24'/cidr: '10.3.1.0\/24'/g" "${filename}"
         done
+        # Update file changes
+        pip install -U .
     else
         load_cirros_image
         load_ubuntu_image