rubenwardy 72a95ecfca Fix error with submodule cloning
Call `git submodule update --init` manually rather than using GitPython's
submodule API, as that fails with the following repo as a submodule:
https://files.creativekara.fr/git/naturalslopeslib.git
2021-07-18 02:48:19 +01:00
..
2021-02-11 23:26:23 +00:00
2021-07-18 02:48:19 +01:00
2021-02-02 23:58:59 +00:00
2021-01-30 18:25:00 +00:00