均匀B样条曲线上的Python ZeroDivisionError

import numpy as np
from scipy.interpolate import BSpline
import matplotlib.pyplot as plt

# 定义控制点
control_points = np.array([[0, 0], [1, 3], [2, -1], [3, 2], [4, 0]])

try:
    # 计算均匀B样条曲线
    t = np.arange(len(control_points))
    spl = BSpline(t, control_points, 3)  # 3表示三次B样条曲线
    u = np.linspace(0, len(control_points) - 1, 100)
    curve = spl(u)

    # 绘制曲线
    plt.plot(curve[:, 0], curve[:, 1])
    plt.scatter(control_points[:, 0], control_points[:, 1], c='red')
    plt.xlabel('X')
    plt.ylabel('Y')
    plt.title('Uniform B-spline Curve')
    plt.show()

except ZeroDivisionError:
    print("除法运算中出现零除错误！")