我一直在使用matplotlib没有任何问题，但昨天我试图安装一个使用matplotlib的其他库，因为我有一个错误，我无法避免。有人能帮帮我吗

AttributeError                            Traceback (most recent call last)
<ipython-input-18-b478a6fd18e5> in <module>
      1 import pandas as pd
      2 import numpy as np
----> 3 import matplotlib.pyplot as plt
~\anaconda3\lib\site-packages\matplotlib\pyplot.py in <module>
     47 from cycler import cycler
     48 import matplotlib
---> 49 import matplotlib.colorbar
     50 import matplotlib.image
     51 from matplotlib import _api
~\anaconda3\lib\site-packages\matplotlib\colorbar.py in <module>
     19 
     20 import matplotlib as mpl
---> 21 from matplotlib import _api, collections, cm, colors, contour, ticker
     22 import matplotlib.artist as martist
     23 import matplotlib.patches as mpatches
~\anaconda3\lib\site-packages\matplotlib\collections.py in <module>
     18 
     19 import matplotlib as mpl
---> 20 from . import (_api, _path, artist, cbook, cm, colors as mcolors, docstring,
     21                hatch as mhatch, lines as mlines, path as mpath, transforms)
     22 from ._enums import JoinStyle, CapStyle
~\anaconda3\lib\site-packages\matplotlib\artist.py in <module>
     13 import matplotlib as mpl
     14 from . import _api, cbook
---> 15 from .cm import ScalarMappable
     16 from .path import Path
     17 from .transforms import (Bbox, IdentityTransform, Transform, TransformedBbox,
~\anaconda3\lib\site-packages\matplotlib\cm.py in <module>
     34 
     35 
---> 36 _LUTSIZE = mpl.rcParams['image.lut']
     37 
     38 
AttributeError: module 'matplotlib' has no attribute 'rcParams'

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