title: ImportError: No module named shutil_get_terminal_size IPython
body: <p>I am having this error with my IPython version on Redhat.</p>
  
  <pre><code>$ ipython --version
  
  Traceback (most recent call last):
  
    File "/usr/bin/ipython", line 7, in &lt;module&gt;
      from IPython import start_ipython
  
    File "/usr/lib/python2.7/site-packages/IPython/__init__.py", line 48, in module
  
      from .core.application import Application
    File "/usr/lib/python2.7/site-packages/IPython/core/application.py", line 24, in &lt;module&gt;
  
     from IPython.core import release, crashhandler
    File "/usr/lib/python2.7/site-packages/IPython/core/crashhandler.py", line 28, in module
  
      from IPython.core import ultratb
    File "/usr/lib/python2.7/site-packages/IPython/core/ultratb.py", line 121, in module
  
      from IPython.utils.terminal import get_terminal_size
    File "/usr/lib/python2.7/site-packages/IPython/utils/terminal.py", line 27, in module
  
      import backports.shutil_get_terminal_size
  **ImportError: No module named shutil_get_terminal_size**
  </code></pre>
  
  <p>Could you please help me to resolve it?</p>