def _syntax_style_changed(self):
        if self._highlighter is None:
            # ignore premature calls
            return
        if self.syntax_style:
            self._highlighter.set_style(self.syntax_style)
        else:
            self._highlighter.set_style_sheet(self.style_sheet)
role name not string
dataset/ETHPy150Open ipython/ipython-py3k/IPython/frontend/qt/console/ipython_widget.py/IPythonWidget._syntax_style_changed--crossover with--dataset/ETHPy150Open aerospike/aerospike-client-python/test/old_tests/test_admin_revoke_privileges.py/TestRevokePrivilege.test_revoke_privileges_incorrect_role_type