Matplotlib/Seaborn：自 3.3 起不推荐将非整数作为三元素位置规范传递

Question

我不明白这条错误信息：

MatplotlibDeprecationWarning: Passing non-integers as three-element position specification is deprecated since 3.3 and will be removed two minor releases later.

你能给我一个提示吗？

仅供参考，我的（不可执行）代码如下

import seaborn as sns
import matplotlib.pyplot as plt

for p in ps:
    p_metrics = output_metrics.loc[output_metrics["p"] == p, :]
    g = sns.relplot(x="k", y="metric_value", col="metric_name", hue="ref/eval", style="ref/eval",
                    col_wrap=np.ceil(np.sqrt(len(metrics))), palette="muted", kind="line",
                    dashes=False, legend="full", facet_kws={"sharex": False, "sharey": False},
                    data=p_metrics, markers=self.filled_markers)

    g.savefig(f"plot_cat1_p={p}.png")
    if show:
        plt.show()

Answer 1

我认为问题在于 col_wrap= 期待一个 int 而你正在传递一个 float，尝试将其转换为 int：col_wrap=int(np.ceil(np.sqrt(len(metrics))))

Matplotlib/Seaborn：自 3.3 起不推荐将非整数作为三元素位置规范传递

Matplotlib/Seaborn: Passing non-integers as three-element position specification is deprecated since 3.3

matplotlib

seaborn

python-3.6