Fix broken fbcode//deeplearning/fbgemm/fbgemm_gpu/test/sparse:permute_embeddings-library-type-checki (#5808)

Summary:
X-link: https://github.com/facebookresearch/FBGEMM/pull/2734

Pull Request resolved: #5808

Reviewed By: henrylhtsang

Differential Revision: D106786915

fbshipit-source-id: d49d3ad2ac44afe912039ae80ad22fc4ec486a5f

Author: q10

fbgemm_gpu/test/sparse/permute_embeddings_test.py

@@ -64,6 +64,8 @@ def test_permute_embeddings(
     ) -> None:
         index_dtype = torch.int64 if long_index else torch.int32
         lengths = torch.randint(low=1, high=L, size=(T, B)).type(index_dtype)
+        # pyre-fixme[6]: For 1st param expected `list[int] | Size |
+        #  tuple[int, ...]` but got `bool | float | int`.
         embeddings = torch.rand(lengths.sum().item()).float()
         permute_list = list(range(T))
         random.shuffle(permute_list)