Update deprecated type hinting in model_executor/layers (#18056)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

vllm/model_executor/layers/vocab_parallel_embedding.py

@@ -1,7 +1,8 @@
 # SPDX-License-Identifier: Apache-2.0
 
+from collections.abc import Sequence
 from dataclasses import dataclass
-from typing import List, Optional, Sequence, Tuple
+from typing import Optional
 
 import torch
 import torch.nn.functional as F
@@ -25,7 +26,7 @@ class UnquantizedEmbeddingMethod(QuantizeMethodBase):
 
     def create_weights(self, layer: torch.nn.Module,
                        input_size_per_partition: int,
-                       output_partition_sizes: List[int], input_size: int,
+                       output_partition_sizes: list[int], input_size: int,
                        output_size: int, params_dtype: torch.dtype,
                        **extra_weight_attrs):
         """Create weights for embedding layer."""
@@ -141,7 +142,7 @@ def get_masked_input_and_mask(
         input_: torch.Tensor, org_vocab_start_index: int,
         org_vocab_end_index: int, num_org_vocab_padding: int,
         added_vocab_start_index: int,
-        added_vocab_end_index: int) -> Tuple[torch.Tensor, torch.Tensor]:
+        added_vocab_end_index: int) -> tuple[torch.Tensor, torch.Tensor]:
     # torch.compile will fuse all of the pointwise ops below
     # into a single kernel, making it very fast
     org_vocab_mask = (input_ >= org_vocab_start_index) & (
@@ -298,7 +299,7 @@ class VocabParallelEmbedding(torch.nn.Module):
             org_vocab_start_index, org_vocab_end_index,
             added_vocab_start_index, added_vocab_end_index)
 
-    def get_sharded_to_full_mapping(self) -> Optional[List[int]]:
+    def get_sharded_to_full_mapping(self) -> Optional[list[int]]:
         """Get a mapping that can be used to reindex the gathered
         logits for sampling.
         
@@ -312,9 +313,9 @@ class VocabParallelEmbedding(torch.nn.Module):
         if self.tp_size < 2:
             return None
 
-        base_embeddings: List[int] = []
-        added_embeddings: List[int] = []
-        padding: List[int] = []
+        base_embeddings: list[int] = []
+        added_embeddings: list[int] = []
+        padding: list[int] = []
         for tp_rank in range(self.tp_size):
             shard_indices = self._get_indices(self.num_embeddings_padded,
                                               self.org_vocab_size_padded,