def METHOD_NAME(pipenv_instance_private_pypi):
    with pipenv_instance_private_pypi() as p:
        c = p.pipenv("install Django")
        assert c.returncode == 0
        assert "django" in p.pipfile["packages"]
        assert "django" in p.lockfile["default"]
        assert "pytz" in p.lockfile["default"]
        c = p.pipenv("run python -m django --version")
        assert c.returncode == 0
        c = p.pipenv("uninstall Django")
        assert c.returncode == 0
        assert "django" not in p.pipfile["dev-packages"]
        assert "django" not in p.lockfile["develop"]
        assert p.lockfile["develop"] == {}
        c = p.pipenv("run python -m django --version")
        assert c.returncode > 0