Fix issue with ScaleKernel wrapping GridInterpolationKernel
Closes
@@ -119,7 +119,7 @@ class ConstantMulLazyTensor(LazyTensor):
left_vecs = left_vecs * self.expanded_constant
res = self.base_lazy_tensor._quad_form_derivative(left_vecs, right_vecs)
- return res + (constant_deriv,)
+ return tuple(res) + (constant_deriv,)
def _size(self):
return self.base_lazy_tensor.size()
