workaround pypa/virtualenv#1551 (comment)

Change-Id: I69aa935ff10fe1f6c2d2e83fdc14fad67c920a4c
sapcc · Feb 10, 2020 · f5e3ce3 · f5e3ce3
1 parent c0f149b
commit f5e3ce3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/concourse_unit_test_task b/concourse_unit_test_task
@@ -2,7 +2,7 @@ export DEBIAN_FRONTEND=noninteractive && \
 export UPPER_CONSTRAINTS_FILE=https://raw.githubusercontent.com/sapcc/requirements/stable/stein-m3/upper-constraints.txt && \
 apt-get update && \
 apt-get install -y build-essential python-pip python-dev python3-dev git libpcre++-dev gettext && \
-pip install tox && \
+pip install tox "six>=1.14.0" && \
 git clone -b stable/stein-m3 --single-branch https://github.com/sapcc/manila.git --depth=1 && \
 cd manila && \
 tox -e py27