ipython/ipython — pull request #5300 by cgohlke (2014-03-08 21:49:43+00:00)
Title: Fix NameError: name '_rl' is not defined

Ipython-2.0.0-b1 notebook on Windows without the pyreadline package fails with:

```
X:\Python34\lib\site-packages\IPython\utils\rlineimpl.py in ()
30 if sys.platform == 'win32' or sys.platform == 'cli':
31 try:
---> 32 _outputfile=_rl.GetOutputFile()
global _outputfile = undefined
global _rl.GetOutputFile = undefined
33 except AttributeError:
34 warnings.warn("Failed GetOutputFile")

NameError: name '_rl' is not defined
```