docs: def get_changed_files_from(old_commit_sha, new_commit_sha):
          """
          Returns a list of the files changed between two commits
          """
          return check_output(
              "git diff-tree --no-commit-id --name-only -r {0}..{1}".format(
                  old_commit_sha,
                  new_commit_sha
              ).split(" ")
              ).decode('utf-8').strip()