used version of mercurial is not compatible with python 3.9

00ece27eec76 · Vincent Hatakeyama · 40f1da7486da · 00ece27e
Commit 00ece27eec76 authored 3 years ago by Vincent Hatakeyama
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -75,7 +75,7 @@
 build-documentation:
  stage: build
  needs: []
-  image: python:3-alpine
+  image: python:3.8-alpine
  artifacts:
    paths:
    - doc/_build