commit ded35aeb9d5ae1671174f10c0ae8a7166693b17c
author Mark Dickinson <mdickinson@enthought.com> Sun Nov 25 14:36:26 2012 +0000
committer Mark Dickinson <mdickinson@enthought.com> Sun Nov 25 14:36:26 2012 +0000
tree 4caa61589581de32b38d3da8ee8bd68e553094bf
parent 9982c53c2feb6e6e03c4c6d87d77c6ee69bfc435

Issue #16546: make ast.YieldFrom argument mandatory.

Python/ast.c

diff --git a/Python/ast.c b/Python/ast.c
index 0c0c1a6..7657b22 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -224,8 +224,7 @@
     case Yield_kind:
         return !exp->v.Yield.value || validate_expr(exp->v.Yield.value, Load);
     case YieldFrom_kind:
-        return !exp->v.YieldFrom.value ||
-            validate_expr(exp->v.YieldFrom.value, Load);
+        return validate_expr(exp->v.YieldFrom.value, Load);
     case Compare_kind:
         if (!asdl_seq_LEN(exp->v.Compare.comparators)) {
             PyErr_SetString(PyExc_ValueError, "Compare with no comparators");