ci: new python image breaks evolve integration

.gitlab-ci.yml

@@ -35,16 +35,17 @@ py3:
     - tox -e py3
 
 auto-mr:
+  image: debian:buster
   only:
     variables:
       - $AUTO_MR
   before_script:
-    - pip install -r requirements.txt
-    - pip install -e .
-    - echo -e "[extensions]\nevolve =\ntopic =" >> ~/.hgrc
     - apt-get update
-    - apt-get install python-pip -y
+    - apt-get install python-pip python3-pip mercurial -y
     - python2 -m pip install hg-evolve
+    - pip3 install -r requirements.txt
+    - pip3 install -e .
+    - echo -e "[extensions]\nevolve =\ntopic =" >> ~/.hgrc
     - echo -e "[ui]" >> ~/.hgrc
     - echo -e "username = Cube Doctor <cube-doctor@logilab.fr>" >> ~/.hgrc
     - echo -e "[auth]" >> ~/.hgrc
@@ -52,9 +53,9 @@ auto-mr:
     - echo -e "forge.username = token-cube-doctor" >> ~/.hgrc
     - echo -e "forge.password = $GITLAB_TOKEN" >> ~/.hgrc
   script:
-    - python cube_doctor/doctor_hg.py rebase-all-my-mrs -a
-    - python cube_doctor/doctor_hg.py auto-mr -m
-    - python cube_doctor/doctor_hg.py auto-mr
+    - cube-doctor rebase-all-my-mrs -a
+    - cube-doctor auto-mr -m
+    - cube-doctor auto-mr
   artifacts:
     paths:
       - created_mr.log
@@ -70,17 +71,18 @@ relaunch_broken_ci_jobs:
     - python relaunch_broken_ci_jobs.py
 
 update-flake8-ok-files:
+  image: debian:buster
   only:
     variables:
       - $BASH_SCRIPTS
       - $UPDATE_FLAKE8_OK_FILES
   before_script:
-    - pip install -r requirements.txt
-    - pip install -e .
-    - echo -e "[extensions]\nevolve =\ntopic =\nshelve =" >> ~/.hgrc
     - apt-get update
-    - apt-get install python-pip -y
+    - apt-get install python-pip python3-pip mercurial -y
     - python2 -m pip install hg-evolve
+    - pip3 install -r requirements.txt
+    - pip3 install -e .
+    - echo -e "[extensions]\nevolve =\ntopic =\nshelve =" >> ~/.hgrc
     - echo -e "[ui]" >> ~/.hgrc
     - echo -e "username = Laurent Peuch <cortex@worlddomination.be>" >> ~/.hgrc
     - echo -e "[auth]" >> ~/.hgrc