Stop downgrading pip

The pip package poposed by Alpine is fine.

Change-Id: I415757b8f4028c76e9d8cec4895306d843d42ac2
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docker/core/Dockerfile b/docker/core/Dockerfile
index b4c112d..e224dea 100644 (file)
--- a/docker/core/Dockerfile
+++ b/docker/core/Dockerfile
@@ -2,7 +2,6 @@ FROM alpine:3.9
 
 ARG BRANCH=master
 ARG OPENSTACK_TAG=master
-ARG PIP_TAG=18.0
 
 RUN apk --no-cache add --update \
         python3 libffi openssl libjpeg-turbo py3-pip bash \
@@ -14,8 +13,6 @@ RUN apk --no-cache add --update \
     case $(uname -m) in aarch*|arm*) sed -i -E /^PyNaCl=/d upper-constraints.txt && apk add py3-pynacl ;; esac && \
     wget -q -O- https://git.opnfv.org/functest/plain/upper-constraints.txt?h=$BRANCH > upper-constraints.opnfv.txt  && \
     sed -i -E /#egg=functest/d upper-constraints.opnfv.txt && \
-    pip3 install --no-cache-dir --src /src -cupper-constraints.opnfv.txt -cupper-constraints.txt \
-        pip==$PIP_TAG && \
     pip3 install --no-cache-dir --src /src -cupper-constraints.opnfv.txt -cupper-constraints.txt \
         -e git+https://opendev.org/openstack/requirements@$OPENSTACK_TAG#egg=openstack_requirements && \
     git init /src/functest && \