Make the topological-sort output off by default

    return result

list_unused = False

log_sorted_levels = False

uses_dirs = { }

    for k in cur_level:

        del uses_dirs[k]

    n += 1

    if cur_level:

    if cur_level and log_sorted_levels:

        print(n, cur_level)

    if n > 100:

        break

if uses_dirs:

    print("Circular dependencies in here somewhere:", uses_dirs)

    print("There are circular .may_include dependencies in here somewhere:",

          uses_dirs)

    sys.exit(1)