With Ecto 3.1, can you still use ensure_started if importing Mix.EctoSQL?

Mix.EctoSQL was always private and should not be invoked directly. There is now a public API for this: Add Ecto.Migrator.with_repo/2 to start/stop apps for migrations by josevalim · Pull Request #113 · elixir-ecto/ecto_sql · GitHub