bugbear.py 文件源码

def visit_UAdd(self, node):
        trailing_nodes = list(map(type, self.node_window[-4:]))
        if trailing_nodes == [ast.UnaryOp, ast.UAdd, ast.UnaryOp, ast.UAdd]:
            originator = self.node_window[-4]
            self.errors.append(
                B002(originator.lineno, originator.col_offset)
            )
        self.generic_visit(node)