title: ImportError: No module named 'nose'
body: <p>I tried to help('modules') and there was no nose module. </p>
  
  <p>I even tried pip install nose, sudo pip install nose, and etc..</p>
  
  <p>When ever I tried to install nose with command line, it will throw out </p>
  
  <pre><code>SyntaxError: invalid syntax.
  Traceback (most recent call last):
    File "C:\Python34\plot_cluster_iris.py", line 31, in &lt;module&gt;
      from sklearn.cluster import KMeans
    File "C:\Python34\lib\site-packages\sklearn\cluster\__init__.py", line 6, in &lt;module&gt;
      from .spectral import spectral_clustering, SpectralClustering
    File "C:\Python34\lib\site-packages\sklearn\cluster\spectral.py", line 13, in &lt;module&gt;
      from ..utils import check_random_state, as_float_array
    File "C:\Python34\lib\site-packages\sklearn\utils\__init__.py", line 11, in &lt;module&gt;
      from .validation import (as_float_array, check_arrays, safe_asarray,
    File "C:\Python34\lib\site-packages\sklearn\utils\validation.py", line 17, in &lt;module&gt;
      from .fixes import safe_copy
    File "C:\Python34\lib\site-packages\sklearn\utils\fixes.py", line 18, in &lt;module&gt;
      from .testing import ignore_warnings
    File "C:\Python34\lib\site-packages\sklearn\utils\testing.py", line 36, in &lt;module&gt;
      from nose.tools import assert_equal
  </code></pre>
  
  <p>What should I do?</p>