"run",
            "-m",
            "fastapi",
            "dev",
            "non_existent_file.py",
        ],
        capture_output=True,
        encoding="utf-8",
        env={**os.environ, "PYTHONIOENCODING": "utf-8"},
    )
    assert result.returncode == 1, result.stdout
    assert "Path does not exist non_existent_file.py" in result.stdout


def test_fastapi_cli_not_installed():

        if lang_path.is_dir() and lang_path.name.startswith(incomplete):
            yield lang_path.name


@app.callback()
def callback() -> None:
    # For MacOS with Cairo
    os.environ["DYLD_FALLBACK_LIBRARY_PATH"] = "/opt/homebrew/lib"


@app.command()
def new_lang(lang: str = typer.Argument(..., callback=lang_callback)):
    """