cannot import name '__check_build' from 'sklearn'

pip uninstall scikit-learn
pip install scikit-learn

pip install numpy==1.21.5 scipy==1.7.3 scikit-learn==1.0.2

python -m venv myenv
source myenv/bin/activate  # 在Windows上使用 `myenv\Scripts\activate`
pip install numpy scipy scikit-learn

pip install scikit-learn --log install.log

import numpy as np
from sklearn.datasets import load_iris
from sklearn.model_selection import train_test_split
from sklearn.svm import SVC

# 加载数据集
iris = load_iris()
X = iris.data
y = iris.target

# 分割数据集
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.3, random_state=42)

# 训练模型
clf = SVC(kernel='linear')
clf.fit(X_train, y_train)

# 预测
y_pred = clf.predict(X_test)

# 打印准确率
accuracy = clf.score(X_test, y_test)
print(f"Accuracy: {accuracy:.2f}")