title: Matplotlib error: AttributeError: module 'matplotlib' has no attribute 'rcParams'
body: <p>I've been using matplotlib without any problem, but yesterday I tried to install an other library that uses matplotlib and since that I have an error that I can't avoid. Could someone help me?</p>
  <pre><code>AttributeError                            Traceback (most recent call last)
  &lt;ipython-input-18-b478a6fd18e5&gt; in &lt;module&gt;
        1 import pandas as pd
        2 import numpy as np
  ----&gt; 3 import matplotlib.pyplot as plt
  
  ~\anaconda3\lib\site-packages\matplotlib\pyplot.py in &lt;module&gt;
       47 from cycler import cycler
       48 import matplotlib
  ---&gt; 49 import matplotlib.colorbar
       50 import matplotlib.image
       51 from matplotlib import _api
  
  ~\anaconda3\lib\site-packages\matplotlib\colorbar.py in &lt;module&gt;
       19 
       20 import matplotlib as mpl
  ---&gt; 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 &lt;module&gt;
       18 
       19 import matplotlib as mpl
  ---&gt; 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 &lt;module&gt;
       13 import matplotlib as mpl
       14 from . import _api, cbook
  ---&gt; 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 &lt;module&gt;
       34 
       35 
  ---&gt; 36 _LUTSIZE = mpl.rcParams['image.lut']
       37 
       38 
  
  AttributeError: module 'matplotlib' has no attribute 'rcParams'
  </code></pre>