Update deprecated Python 3.8 typing (#13971)

tests/worker/test_encoder_decoder_model_runner.py

@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import itertools
-from typing import List
 
 import pytest
 import torch
@@ -43,7 +42,7 @@ def test_empty_seq_group():
         enable_chunked_prefill=False,
         enforce_eager=True,
     )
-    seq_group_metadata_list: List[SequenceGroupMetadata] = []
+    seq_group_metadata_list: list[SequenceGroupMetadata] = []
     model_input = model_runner._prepare_model_input_tensors(
         seq_group_metadata_list)
     (
@@ -103,9 +102,9 @@ def test_prepare_prompt(batch_size):
         enforce_eager=True,
     )
 
-    seq_lens: List[int] = []
-    encoder_seq_lens: List[int] = []
-    seq_group_metadata_list: List[SequenceGroupMetadata] = []
+    seq_lens: list[int] = []
+    encoder_seq_lens: list[int] = []
+    seq_group_metadata_list: list[SequenceGroupMetadata] = []
     block_tables = {0: [1]}
     cross_block_table = [2]
     for i in range(batch_size):
@@ -295,9 +294,9 @@ def test_prepare_decode(batch_size, multiple_seqs_per_seq_group):
         enforce_eager=True,
     )
 
-    seq_lens: List[int] = []
-    encoder_seq_lens: List[int] = []
-    seq_group_metadata_list: List[SequenceGroupMetadata] = []
+    seq_lens: list[int] = []
+    encoder_seq_lens: list[int] = []
+    seq_group_metadata_list: list[SequenceGroupMetadata] = []
     block_tables = {
         0: [1],
         1: [3]
@@ -503,9 +502,9 @@ def test_prepare_decode_cuda_graph(batch_size, multiple_seqs_per_seq_group):
     } if multiple_seqs_per_seq_group else {
         0: [1]
     }
-    seq_lens: List[int] = []
-    encoder_seq_lens: List[int] = []
-    seq_group_metadata_list: List[SequenceGroupMetadata] = []
+    seq_lens: list[int] = []
+    encoder_seq_lens: list[int] = []
+    seq_group_metadata_list: list[SequenceGroupMetadata] = []
 
     cross_block_table = [2]
     expanded_batch_size = 0