mebus@moon ~/Mercurial/moneyguru % sudo python build.py 
Traceback (most recent call last):
  File "build.py", line 17, in <module>
    from hscommon import sphinxgen
  File "/home/mebus/Mercurial/moneyguru/hscommon/sphinxgen.py", line 12, in <module>
    from .build import print_and_do, read_changelog_file, filereplace
  File "/home/mebus/Mercurial/moneyguru/hscommon/build.py", line 22, in <module>
    from .util import rem_file_ext, modified_after, find_in_path
  File "/home/mebus/Mercurial/moneyguru/hscommon/util.py", line 15, in <module>
    from . import io
  File "/home/mebus/Mercurial/moneyguru/hscommon/io.py", line 13, in <module>
    import builtins
ImportError: No module named builtins
1 mebus@moon ~/Mercurial/moneyguru %