environment/lib/python2.7/site-packages/IPython/config/application.py
def _log_level_changed(self, name, old, new):
        """Adjust the log level when log_level is set."""
        if isinstance(new, basestring):
            new = getattr(logging, new)
            self.log_level = new
        self.log.setLevel(new)
def _log_level_changed(self, name, old, new):
        """Adjust the log level when log_level is set."""
        if isinstance(new, basestring):
            new = getattr(logging, new)
            self.log_level = new
        self.log.setLevel(new)
Adjust the log level when log_level is set.