I think while the basic idea of advocating for stack consistency between the main project and any support scripts is very nice, I always find it not worthy to pursue in practice for several reasons: a lot of the “environment” around the main codebase will be a weird mix of YAML, bash and a scripting language like Python or Ruby for things like gitlab, airflow, GitHub actions, etc. Given this heterogeneity of the project environment and additional complexity of “forcing” something to use a language it might not be very well suited for, makes this really a no brainer for me: use the most convenient tool for the job. Plus as a JVM bound developer I love me my occasional Python