Fixing wx related issue in guisupport.py.

IPython/lib/guisupport.py

@@ -78,6 +78,8 b' def get_app_wx(*args, **kwargs):'
     import wx
     app = wx.GetApp()
     if app is None:
+        if not kwargs.has_key('redirect'):
+            kwargs['redirect'] = False
         app = wx.PySimpleApp(*args, **kwargs)
     return app