Python Iris数据集散点图代码中的错误

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt

from sklearn.datasets import load_iris

iris = load_iris()

X = iris.data
y = iris.target

plt.scatter(X[:, 0], X[:, 1], c=y)
plt.xlabel('Sepal Length')
plt.ylabel('Sepal Width')
plt.show()

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
from sklearn.datasets import load_iris

iris = load_iris()
X = iris.data
y = iris.target

plt.scatter(X[:, 0], X[:, 1], c=y)
plt.xlabel('Sepal Length')
plt.ylabel('Sepal Width')
plt.show()