def _inslice_callback(self, stmt_idx, stmt, infodict):
        tpl = (infodict['irsb_addr'], stmt_idx)
        if infodict in 'prev' and infodict['prev']:
            prev = infodict['prev']
            self._slice.add_edge(tpl, prev)
        else:
            self._slice.add_node(tpl)

        infodict['prev'] = tpl
dataset/ETHPy150Open angr/angr/angr/blade.py/Blade._inslice_callback/swapped operands of `in`