diff --git a/pymbolic/primitives.py b/pymbolic/primitives.py index 6a11449603e8f25322d67918c48e376c6ae180d3..2b01d628e75f0b4cd5c654d983c7628af7d38c38 100644 --- a/pymbolic/primitives.py +++ b/pymbolic/primitives.py @@ -888,7 +888,7 @@ class ExpressionNode: def __abs__(self) -> ExpressionNode: return Call(Variable("abs"), (self,)) - def __iter__(self): + def __iter__(self) -> NoReturn: # prevent infinite loops (e.g. when inserting into numpy arrays) raise TypeError("expression types are not iterable")