svn+ssh://pythondev@svn.python.org/python/trunk
........
r69481 | brett.cannon | 2009-02-09 18:07:38 -0800 (Mon, 09 Feb 2009) | 4 lines
compileall used the ctime of bytecode and source to determine if the bytecode
should be recreated. This created a timing hole. Fixed by just doing what
import does; check the mtime and magic number.
........