[Bugfix] Fix import error in Exaone model (vllm-project#8034)

vllm/model_executor/models/exaone.py

@@ -43,13 +43,13 @@
 from vllm.model_executor.layers.quantization.compressed_tensors.utils import (
     get_compressed_tensors_cache_scale)
 from vllm.model_executor.layers.rotary_embedding import get_rope
-from vllm.model_executor.layers.sampler import Sampler
+from vllm.model_executor.layers.sampler import Sampler, SamplerOutput
 from vllm.model_executor.layers.vocab_parallel_embedding import (
     DEFAULT_VOCAB_PADDING_SIZE, ParallelLMHead, VocabParallelEmbedding)
 from vllm.model_executor.model_loader.weight_utils import (
     default_weight_loader, kv_cache_scales_loader, maybe_remap_kv_scale_name)
 from vllm.model_executor.sampling_metadata import SamplingMetadata
-from vllm.sequence import IntermediateTensors, SamplerOutput
+from vllm.sequence import IntermediateTensors
 from vllm.transformers_utils.configs.exaone import ExaoneConfig
 from vllm.utils import is_hip