Add python3.6 to the fedora container image: we need it to run the
linters against that explicit version to make sure we don't break our
minimum version promise.

Add pipenv so that we can fetch precise versions of pip packages we need
to guarantee test reproducability.

Signed-off-by: John Snow <jsnow@redhat.com>
---
 .gitlab-ci.yml                         | 10 ++++++++++
 tests/docker/dockerfiles/fedora.docker |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7adb9a4cef0..8dc4de9b168 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -665,6 +665,16 @@ check-patch:
     GIT_DEPTH: 1000
   allow_failure: true
 
+
+check-python:
+  stage: build
+  image: $CI_REGISTRY_IMAGE/qemu/fedora:latest
+  script:
+    - cd python
+    - make venv-check
+  variables:
+    GIT_DEPTH: 1000
+
 check-dco:
   stage: build
   image: $CI_REGISTRY_IMAGE/qemu/centos8:latest
diff --git a/tests/docker/dockerfiles/fedora.docker b/tests/docker/dockerfiles/fedora.docker
index 0d7602abbeb..1262b8c5e03 100644
--- a/tests/docker/dockerfiles/fedora.docker
+++ b/tests/docker/dockerfiles/fedora.docker
@@ -84,6 +84,7 @@ ENV PACKAGES \
     numactl-devel \
     perl \
     perl-Test-Harness \
+    pipenv \
     pixman-devel \
     python3 \
     python3-PyYAML \
@@ -93,6 +94,7 @@ ENV PACKAGES \
     python3-pip \
     python3-sphinx \
     python3-virtualenv \
+    python3.6 \
     rdma-core-devel \
     SDL2-devel \
     snappy-devel \
-- 
2.29.2