Configure repo to point to the default package index
        https://pypi.python.org.

def do_setup_for_pypi_python_org(self, repo):
        '''
        Configure repo to point to the default package index
        https://pypi.python.org.
        '''
        effective_repo_name = self.get_effective_repo_name(repo)
        self.abort_on_nonexisting_repo(
            effective_repo_name, 'setup_for_pypi_python_org'
        )

        self.network.setup_for_pypi_python_org(effective_repo_name)