Function on_error

tests/integration/test_hooks.py:69–70

(error)

def test_hook004_error(hook_cleanup, dash_duo):
    @hooks.error()
    def on_error(error):
        set_props("error", {"children": str(error)})

    app = Dash()
    app.layout = [html.Button("start", id="start"), html.Div(id="error")]