setup: fix the py2exe logic to work with py3...
setup: fix the py2exe logic to work with py3
TortoiseHg still uses (the modernized) py2exe packaging, but the build was
failing since `py2exe.Distribution` was removed.
One thing to note is that later in this module, there's a hack to include
`distutils` when building from a virtualenv. While `import distutils` works in
`hg debugshell` when built with py2, it doesn't work in py3. I'm not sure why-
I don't see it in `library.zip` either. It doesn't seem to break anything
though.
Differential Revision:
https://phab.mercurial-scm.org/D12553
