matplotlib模块有问题，重装了也没用？

错误提示
Traceback (most recent call last):
File "**", line 13, in
import matplotlib.pyplot as plt
File "C:\ProgramData\Anaconda3\envs\tensorflow\lib\site-packages\matplotlib\pyplot.py", line 32, in
import matplotlib.colorbar
File "C:\ProgramData\Anaconda3\envs\tensorflow\lib\site-packages\matplotlib\colorbar.py", line 28, in
import matplotlib.artist as martist
File "C:\ProgramData\Anaconda3\envs\tensorflow\lib\site-packages\matplotlib\artist.py", line 11, in
from .path import Path
File "C:\ProgramData\Anaconda3\envs\tensorflow\lib\site-packages\matplotlib\path.py", line 17, in
from . import _path, rcParams
ImportError: cannot import name '_path'

找到了。。原来anaconda安装没激活TensorFlow，单纯的把包复制过去不行。。

重新下载一次试试
pip uninstall matplotlib
pip install matplotlib