Genshi 0.4dev-r347 is already the active version in easy-install.pth

Installed /usr/local/lib/python2.4/site-packages/Genshi-0.4dev_r347-py2.4.egg
Processing dependencies for Genshi==0.4dev-r347
Traceback (most recent call last):
  File "setup.py", line 53, in ?
    entry_points = """
  File "/usr/local/lib/python2.4/distutils/core.py", line 149, in setup
    dist.run_commands()
  File "/usr/local/lib/python2.4/distutils/dist.py", line 946, in run_commands
    self.run_command(cmd)
  File "/usr/local/lib/python2.4/distutils/dist.py", line 966, in run_command
    cmd_obj.run()
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/setuptools/command/install.py", line 76, in run
    self.do_egg_install()
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/setuptools/command/install.py", line 100, in do_egg_install
    cmd.run()
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/setuptools/command/easy_install.py", line 211, in run
    self.easy_install(spec, not self.no_deps)
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/setuptools/command/easy_install.py", line 427, in easy_install
    return self.install_item(None, spec, tmpdir, deps, True)
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/setuptools/command/easy_install.py", line 473, in install_item
    self.process_distribution(spec, dist, deps)
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/setuptools/command/easy_install.py", line 518, in process_distribution
    distros = WorkingSet([]).resolve(
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/pkg_resources.py", line 488, in resolve
    requirements.extend(dist.requires(req.extras)[::-1])
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/pkg_resources.py", line 1943, in requires
    dm = self._dep_map
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/pkg_resources.py", line 1935, in _dep_map
    for extra,reqs in split_sections(self._get_metadata(name)):
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/pkg_resources.py", line 2354, in split_sections
    for line in yield_lines(s):
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/pkg_resources.py", line 1649, in yield_lines
    for ss in strs:
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/pkg_resources.py", line 1957, in _get_metadata
    for line in self.get_metadata_lines(name):
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/pkg_resources.py", line 1058, in get_metadata_lines
    return yield_lines(self.get_metadata(name))
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/pkg_resources.py", line 1055, in get_metadata
    return self._get(self._fn(self.egg_info,name))
  File "/usr/local/lib/python2.4/site-packages/setuptools-0.7a1dev_r51968-py2.4.egg/pkg_resources.py", line 1113, in _get
    return self.loader.get_data(path)
zipimport.ZipImportError: bad local file header in /usr/local/lib/python2.4/site-packages/Genshi-0.4dev_r347-py2.4.egg