Use correct helper in __setitem__()

Author: honno

torch_np/_ndarray.py

@@ -425,7 +425,7 @@ def __getitem__(self, index):
         return ndarray._from_tensor_and_base(self._tensor.__getitem__(index), self)
 
     def __setitem__(self, index, value):
-        index = _helpers.to_tensors(index)
+        index = _helpers.ndarrays_to_tensors(index)
         index = ndarray._upcast_int_indices(index)
         value = asarray(value).get()
         return self._tensor.__setitem__(index, value)