human
Solve the following python programming problem given the following code:
@pytest.fixture
def install_egg(modules_tmpdir, monkeypatch):
assistant
#Here is the Python code you requested.

    """Generate egg from package name inside base and put the egg into
    sys.path.
    """
    def inner(name, base=modules_tmpdir):
        if (not isinstance(name, str)):
            raise ValueError(name)
        base.join(name).ensure_dir()
        base.join(name).join('__init__.py').ensure()
        egg_setup = base.join('setup.py')
        egg_setup.write(textwrap.dedent("\n                                from    setuptools    import    setup\n                                setup(name='{0}',\n                                                        version='1.0',\n                                                        packages=['site_egg'],\n                                                        zip_safe=True)\n                                ".format(name)))
        import subprocess
        subprocess.check_call([sys.executable, 'setup.py', 'bdist_egg'], cwd=str(modules_tmpdir))
        (egg_path,) = modules_tmpdir.join('dist/').listdir()
        monkeypatch.syspath_prepend(str(egg_path))
        return egg_path
    return inner