Move check vals.size after getting nz_count

Author: vlad-perevezentsev

dpctl/tensor/_indexing_functions.py

@@ -293,12 +293,12 @@ def place(arr, mask, vals):
         raise dpctl.utils.ExecutionPlacementError
     if arr.shape != mask.shape or vals.ndim != 1:
         raise ValueError("Array sizes are not as required")
-    if vals.size == 0 and dpt.nonzero(mask)[0].size:
-        raise ValueError("Cannot insert from an empty array!")
     cumsum = dpt.empty(mask.size, dtype="i8", sycl_queue=exec_q)
     nz_count = ti.mask_positions(mask, cumsum, sycl_queue=exec_q)
     if nz_count == 0:
         return
+    if vals.size == 0:
+        raise ValueError("Cannot insert from an empty array!")
     if vals.dtype == arr.dtype:
         rhs = vals
     else: