title: cannot import name 'nosetester' error while importing pandas
body: <p>Im getting below error while importing pandas</p>
  
  <p>cannot import name 'nosetester'
  Traceback (most recent call last):
    File "/usr/bin/anaconda/envs/py35/lib/python3.5/site-packages/pandas/<strong>init</strong>.py", line 56, in 
      from pandas.util.nosetester import NoseTester
    File "/usr/bin/anaconda/envs/py35/lib/python3.5/site-packages/pandas/util/nosetester.py", line 13, in 
      from numpy.testing import nosetester
  ImportError: cannot import name 'nosetester'</p>
  
  <p>Pandas version ->0.18.1
  Numpy version ->1.18.0</p>
  
  <p>Any help to resolve the error?</p>