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Installing matplotlib 0.98.3 on mac

(See this post for a step by step list for getting python and friends set up for analysis on a mac)
  1. Get numpy 1.1 from here [sourceforge]. Use the disk image version. Mount and then double-click the package installer
  2. Get matplotlib 0.98.3 egg from here [sourceforge]. Use easy_install to install the egg. It fails, but it installs fine. Why?
UPDATE: Charlie says:

The OSX egg on SF should work fine on ppc and x86 machines on OS 10.3
and up. Unfortunately setuptools does not understand fat binaries at all
yet. For some reason it installs the egg fine, but then tries to go out and
download the source and compile it. Your idea of using the nodeps flag is a
good one. That's the situation as it stands.
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