If you have a file with say a hundred functions, and each function contains the full path of that file on disk, your pyc file will contain about (100*(path_size+overhead)) bytes. In some cases, this is pretty significant. 

On Thu, May 26, 2011 at 12:47 PM, Benjamin Peterson <report@bugs.python.org> wrote:

Benjamin Peterson <benjamin@python.org> added the comment:

How exactly does it bring down your disk space?

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