@pytest.hookimpl(tryfirst=True)
def pytest_configure(config):
    """
    Runs early, report name must be set here
    https://stackoverflow.com/questions/60571675/setting-dynamic-folder-and-report-name-in-pytest
    :param config:
    :return:
    """
    env = os.environ['ENVIRONMENT']
    assert env is not None
    now = datetime.now()
    # create report target dir
    reports_dir = Path('reports')
    reports_dir.mkdir(parents=True, exist_ok=True)
    # custom report file
    report = reports_dir / f"{env}_{now.strftime('%Y-%m-%d_%H-%M')}.html"
    config.option.htmlpath = report.absolute()

[I] ➜ py.test  .... --html
ERROR: usage: py.test [options] [file_or_dir] [file_or_dir] [...]
py.test: error: argument --html: expected one argument