def _focus_in(self, event):
        if self.parent():
            QtCore.QCoreApplication.sendEvent(self.parent(), event)
Check the token and raise an `oauth.Error` exception if invalid.
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/modules/constant_configuration.py/ConstantWidgetBase._focus_in--crossover with--dataset/ETHPy150Open jlafon/django-rest-framework-oauth/rest_framework_oauth/authentication.py/OAuthAuthentication.validate_token