install setuptools's latest version in container

See https://build.opnfv.org/ci/view/qtip/job/qtip-docker-build-push-master/398/console

Change-Id: I4e975e77e3361cfb468cba0c10cecc21c14c2517
Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 027fd74..bab503f 100644 (file)
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -31,8 +31,7 @@ RUN apt-get update && apt-get install -y \
     --no-install-recommends \
 && rm -rf /var/lib/apt/lists/*
 
-RUN pip install -U pip
-RUN pip install 'setuptools>=17.1'
+RUN pip install -U pip && pip install -U setuptools
 
 RUN apt-add-repository ppa:ansible/ansible -y
 RUN apt-key update -y