[gimp-macos-build/wip/lukaso/tests: 2/4] See if unsetting PYTHON variable fixes `gtk-doc` build.

[Jehan <jehanp src gnome org>]

commit 92ad83a5fd91c2fbfbc3c2e00025ec186298fc4d
Author: Lukas Oberhuber <lukaso gmail com>
Date:   Wed Sep 29 11:51:53 2021 +0000

    See if unsetting PYTHON variable fixes `gtk-doc` build.

 .circleci/config.yml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/.circleci/config.yml b/.circleci/config.yml
index d62bd5b..c51d2ee 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -27,7 +27,7 @@ jobs:
               echo 'export MACOSX_DEPLOYMENT_TARGET=10.12' >> ~/.profile
         - restore_cache:
             keys:
-              - jhbuild-v12
+              - jhbuild-v3
         - run:
             name: Setup JHBuild
             command: |
@@ -37,6 +37,8 @@ jobs:
               chmod +x gtk-osx-setup.sh
               echo 'export PATH="$HOME/.cargo/bin:$HOME/.local/bin:$PATH:$HOME/.new_local/bin"' >> ~/.profile
               echo 'export ARCHFLAGS="-arch x86_64"' >> ~/.profile
+              # PYTHON variable messes up detection in gtk-doc
+              echo 'unset PYTHON' >> ~/.profile 
               source ~/.profile
               PIPENV_YES=1 ./gtk-osx-setup.sh
               $HOME/.new_local/bin/jhbuild bootstrap-gtk-osx-gimp
@@ -46,7 +48,7 @@ jobs:
               - ~/.new_local
               - ~/gtk
               - ~/.config
-            key: jhbuild-v12
+            key: jhbuild-v3
         - run:
             name: Setup gtk-mac-bundler
             command: |