title: ModuleNotFoundError: No module named 'numpy.testing.nosetester'
body: <p>I was using the Decision Tree and this error was raised. The same situation appeared when I used Back Propagation. How can I solve it?</p>
  <pre><code>import pandas as pd
  import numpy as np
  a = np.test()
  f = open('E:/lgdata.csv')
  data = pd.read_csv(f,index_col = 'id')
  
  x = data.iloc[:,10:12].as_matrix().astype(int)
  y = data.iloc[:,9].as_matrix().astype(int)
  
  from sklearn.tree import DecisionTreeClassifier as DTC
  dtc = DTC(criterion='entropy')
  dtc.fit(x,y)
  x=pd.DataFrame(x) 
  
  from sklearn.tree import export_graphviz
  with open('tree.dot','w') as f1:
      f1 = export_graphviz(dtc, feature_names = x.columns, out_file = f1)
  </code></pre>
  <blockquote>
  <p>Traceback (most recent call last):<br />
    File &quot;&lt;ipython-input-40-4359c06ae1f0&gt;&quot;, line 1, in &lt;module&gt;<br />
      runfile('C:/ProgramData/Anaconda3/lib/site-packages/scipy/_lib/_numpy_compat.py', wdir='C:/ProgramData/Anaconda3/lib/site-packages/scipy/_lib')<br />
    File &quot;C:\ProgramData\Anaconda3\lib\site-packages\spyder\utils\site\sitecustomize.py&quot;, line 710, in runfile<br />
      execfile(filename, namespace)<br />
    File &quot;C:\ProgramData\Anaconda3\lib\site-packages\spyder\utils\site\sitecustomize.py&quot;, line 101, in execfile<br />
      exec(compile(f.read(), filename, 'exec'), namespace)<br />
    File &quot;C:/ProgramData/Anaconda3/lib/site-packages/scipy/_lib/_numpy_compat.py&quot;, line 9, in &lt;module&gt;<br />
      from numpy.testing.nosetester import import_nose</p>
  <p>ModuleNotFoundError: No module named 'numpy.testing.nosetester'</p>
  </blockquote>