Gtk: gtk_disable_setlocale() must be called before gtk_init()

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What steps will reproduce the problem?
1. run any script python with cefpython
2.
3.

What is the expected output? What do you see instead?
Browser, not visible
[0420/150306:ERROR:browser_main_loop.cc(212)] Gtk: gtk_disable_setlocale() must 
be called before gtk_init() 

What version of the product are you using? On what operating system?
OS:Debian Jessie, Python 2.7, I tried with CEF3 31.2 and 29.2. 
 wx.version=3.0.1.1 gtk2 (classic)

Please provide any additional information below.

Original issue reported on code.google.com by matteoba...@gmail.com on 20 Apr 2015 at 5:09