mach broken for me atm

gistfile1.txt

mikedeboer:(hg)mozilla-central[267ddc3]/$ ./mach help
Traceback (most recent call last):
  File "./mach", line 86, in <module>
    main(sys.argv[1:])
  File "./mach", line 78, in main
    mach = get_mach()
  File "./mach", line 68, in get_mach
    mach = check_and_get_mach(dir_path)
  File "./mach", line 42, in check_and_get_mach
    return load_mach(dir_path, mach_path)
  File "./mach", line 28, in load_mach
    ('.py', 'r', imp.PY_SOURCE))
  File "/Users/mikedeboer/Projects/mozilla-central/build/mach_bootstrap.py", line 440, in <module>
    builtins.__import__ = ImportHook(builtins.__import__)
AttributeError: 'module' object has no attribute '__import__'