Python入门错误集合

1.imshow()失败

import tensorflow as tf
from sklearn.datasets import load_digits
import matplotlib.pyplot as plt
import numpy as np
digits = load_digits()  #载入数据集
plt.imshow(digits.image[12])   #获取标签为12的数字图片数据，8 ×8 的矩阵

报错：

Traceback (most recent call last):
File "D:\Python\lib\site-packages\sklearn\utils\__init__.py", line 61, in __getattr__
    return self[key]
KeyError: 'image'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "F:/cnn1/cnn.py", line 27, in <module>
    plt.imshow(digits.image[12])   #获取标签为12的数字图片数据，8 ×8 的矩阵
  File "D:\Python\lib\site-packages\sklearn\utils\__init__.py", line 63, in __getattr__
    raise AttributeError(key)
AttributeError: image