Supplement reinitialize_command to work around
        http://bugs.python.org/issue20819

def reinitialize_command(self, command, reinit_subcommands=0):
        """
        Supplement reinitialize_command to work around
        http://bugs.python.org/issue20819
        """
        cmd = self.distribution.reinitialize_command(
            command, reinit_subcommands)
        if command in ('install', 'install_lib'):
            cmd.install_lib = None
        return cmd