9b292db701a05ec2748be18d51a8bc52b98c646c,mlxtend/evaluate/decision_regions.py,,plot_decision_regions,#,15

Before Change

        ax = plt.gca()

    if not y_ary.dtype == int:
        y_ary = y_ary.astype(int)

    // check if test data is provided
    plot_testdata = True
    if not isinstance(X_highlight, np.ndarray):

After Change

        else:
            plot_testdata = False

    if len(X.shape) != 2:
        raise ValueError("X must be a 2D array")
    if X.shape[1] > 2:
        raise ValueError("X cannot have more than 2 feature columns")
    elif isinstance(X_highlight, np.ndarray) and len(X_highlight.shape) > 2:
        raise ValueError("X_highlight must be a 2D array")
    elif len(y.shape) > 1:
        raise ValueError("y must be a 1D array")

Instances