Error - can not find "backports.shutil-get-terminal-size" during IPython installation

[root@joshi]# /usr/local/bin/pip2.7 install ipython

During installation, you may encounter this issue:
Collecting backports.shutil-get-terminal-size; python_version == "2.7" (from ipython)
  Could not find a version that satisfies the requirement backports.shutil-get-terminal-size; python_version == "2.7" (from ipython) (from versions: )
No matching distribution found for backports.shutil-get-terminal-size; python_version == "2.7" (from ipython)



 To overcome this issue, download and install "backports.shutil_get_terminal_size" manually and start ipython installation once again:

[root@joshi]# wget https://pypi.python.org/packages/ec/9c/368086faa9c016efce5da3e0e13ba392c9db79e3ab740b763fe28620b18b/backports.shutil_get_terminal_size-1.0.0.tar.gz

 (https://pypi.python.org/pypi/backports.shutil_get_terminal_size/1.0.0)

[root@joshi]# pip2.7 install backports.shutil_get_terminal_size-1.0.0.tar.gz

[root@joshi]# /usr/local/bin/pip2.7 install ipython -i http://pypi.python.org/pypi/simple