environment/lib/python2.7/site-packages/IPython/core/displayhook.py
def quiet(self):
        """Should we silence the display hook because of ';'?"""
        # do not print output if input ends in ';'
        try:
            cell = self.shell.history_manager.input_hist_parsed[self.prompt_count]
            if cell.rstrip().endswith(';'):
                return True
        except IndexError:
            # some uses of ipshellembed may fail here
            pass
        return False
def quiet(self):
        """Should we silence the display hook because of ';'?"""
        # do not print output if input ends in ';'
        try:
            cell = self.shell.history_manager.input_hist_parsed[self.prompt_count]
            if cell.rstrip().endswith(';'):
                return True
        except IndexError:
            # some uses of ipshellembed may fail here
            pass
        return False
Should we silence the display hook because of ';'?