def yield_stmt(self, expr):
        """yield_stmt: yield_expr"""
        return ast.Expr(value=expr, loc=expr.loc)
def yield_stmt(self, expr):
        """yield_stmt: yield_expr"""
        return ast.Expr(value=expr, loc=expr.loc)
def yield_stmt ( self , expr ) : return ast . Expr ( value = expr , loc = expr . loc )
yield_stmt: yield_expr
yield_stmt : yield_expr