Ipython 2.0 will not startup on py27 on windows

[ibell]

My attempt of using ipython 2.0dev was a bust. Ipython installed from sources using

python setup.py install

succeeds.

Then when I try to run ipython, it won't start:

...
Installed c:\python27\lib\site-packages\ipython-2.0.0_dev-py2.7.egg
Processing dependencies for ipython==2.0.0-dev
Finished processing dependencies for ipython==2.0.0-dev

C:\Users\Belli\ipython>ipython
Traceback (most recent call last):
  File "C:\Python27\Scripts\ipython-script.py", line 9, in <module>
    load_entry_point('ipython==2.0.0-dev', 'console_scripts', 'ipython')()
  File "c:\Python27\lib\site-packages\ipython-2.0.0_dev-py2.7.egg\IPython\__init__.py", line 118, in start_ipython
    return launch_new_instance(argv=argv, **kwargs)
  File "c:\Python27\lib\site-packages\ipython-2.0.0_dev-py2.7.egg\IPython\config\application.py", line 565, in launch_instance
    app.initialize(argv)
  File "<string>", line 2, in initialize
  File "c:\Python27\lib\site-packages\ipython-2.0.0_dev-py2.7.egg\IPython\config\application.py", line 92, in catch_config_error
    return method(app, *args, **kwargs)
  File "c:\Python27\lib\site-packages\ipython-2.0.0_dev-py2.7.egg\IPython\terminal\ipapp.py", line 325, in initialize
    self.init_shell()
  File "c:\Python27\lib\site-packages\ipython-2.0.0_dev-py2.7.egg\IPython\terminal\ipapp.py", line 341, in init_shell
    ipython_dir=self.ipython_dir, user_ns=self.user_ns)
  File "c:\Python27\lib\site-packages\ipython-2.0.0_dev-py2.7.egg\IPython\config\configurable.py", line 353, in instance
    inst = cls(*args, **kwargs)
  File "c:\Python27\lib\site-packages\ipython-2.0.0_dev-py2.7.egg\IPython\terminal\interactiveshell.py", line 328, in __init__
    **kwargs
  File "c:\Python27\lib\site-packages\ipython-2.0.0_dev-py2.7.egg\IPython\core\interactiveshell.py", line 506, in __init__
    self.init_alias()
  File "c:\Python27\lib\site-packages\ipython-2.0.0_dev-py2.7.egg\IPython\terminal\interactiveshell.py", line 383, in init_alias
    for name, cmd in aliases:
UnboundLocalError: local variable 'aliases' referenced before assignment

If you suspect this is an IPython bug, please report it at:
    https://github.com/ipython/ipython/issues
or send an email to the mailing list at ipython-dev@scipy.org

[Carreau]

Cause by #4746 , bad reviewers bad reviewers (me included)

[Carreau]

You can try gh-4770 that should fix it.
Thanks for testing on windows.