comment

Cython/Compiler/ParseTreeTransforms.py

@@ -2219,7 +2219,7 @@ class MarkClosureVisitor(CythonTransform):
                 # Will report error later
                 return node
             for i, yield_expr in enumerate(collector.yields):
-                yield_expr.label_num = i + 1
+                yield_expr.label_num = i + 1  # no enumerate start arg in Py2.4
             for retnode in collector.returns:
                 retnode.in_generator = True