def METHOD_NAME(dash_dcc):
    app = Dash(__name__)
    app.layout = html.Div(
        [
            html.Label("Operating Date"),
            dcc.DatePickerSingle(
                id="dps",
                min_date_allowed=datetime(2021, 1, 1),
                max_date_allowed=datetime(2021, 1, 31),
                initial_visible_month=datetime(2021, 1, 1),
                disabled_days=[datetime(2021, 1, 10)],
            ),
        ],
        style={
            "width": "10%",
            "display": "inline-block",
            "marginLeft": 10,
            "marginRight": 10,
            "marginBottom": 10,
        },
    )
    dash_dcc.start_server(app)
    date = dash_dcc.find_element("#dps input")
    assert not date.get_attribute("value")
    assert not dash_dcc.select_date_single(
        "dps", day=10
    ), "Disabled days should not be clickable"
    assert dash_dcc.select_date_single("dps", day=1), "Other days should be clickable"
    # open datepicker to take snapshot
    date.click()
    dash_dcc.percy_snapshot("dtps013 - disabled days")