new release breaks IPython

[spapini]

Traceback (most recent call last):
File "/usr/local/bin/ipython", line 7, in
from IPython import start_ipython
File "/usr/local/lib/python2.7/site-packages/IPython/init.py", line 48, in
from .core.application import Application
File "/usr/local/lib/python2.7/site-packages/IPython/core/application.py", line 23, in
from traitlets.config.application import Application, catch_config_error
File "/usr/local/lib/python2.7/site-packages/traitlets/config/init.py", line 6, in
from .application import *
File "/usr/local/lib/python2.7/site-packages/traitlets/config/application.py", line 120, in
class Application(SingletonConfigurable):
File "/usr/local/lib/python2.7/site-packages/traitlets/config/application.py", line 291, in Application
def initialize(self, argv=None):
TypeError: catch_config_error() takes exactly 2 arguments (1 given)

catch_config_error is a decorator decorated with this package

[micheles]

Thanks for the bug report. I have already understood the source of the problem. I will issue a new release later today.

[micheles]

The issue should be fixed in master. Can you try if it works for you?

[kekssw]

Works from master for me.

[micheles]

Ok, I have released version 4.2.1 now. Sorry for the inconvenience.

[spapini]

Thank you!