ccdd6a0cb1df06715d556705255f05a94e414146,optuna/visualization/_contour.py,,_generate_contour_subplot,#Any#Any#Any#Any#Any#,185

Before Change

    if param_values_range is None:
        param_values_range = {}

    x_indices = sorted(list({t.params[x_param] for t in trials if x_param in t.params}))
    y_indices = sorted(list({t.params[y_param] for t in trials if y_param in t.params}))
    if len(x_indices) < 2:
        _logger.warning("Param {} unique value length is less than 2.".format(x_param))
        return go.Contour(), go.Scatter()

After Change

        x_value = trial.params[x_param]
        y_value = trial.params[y_param]
        if _is_categorical(trials, x_param):
            x_value = str(x_value)
        if _is_categorical(trials, y_param):
            y_value = str(y_value)
        x_values.append(x_value)
        y_values.append(y_value)
        x_i = x_indices.index(x_value)
        y_i = y_indices.index(y_value)

Instances