[CI/Build] drop support for Python 3.8 EOL (#8464)

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

vllm/model_executor/model_loader/loader.py

@@ -746,7 +746,7 @@ class BitsAndBytesModelLoader(BaseModelLoader):
 
         config_file_path = self._get_config_file(qlora_adapter)
 
-        with open(config_file_path, "r") as f:
+        with open(config_file_path) as f:
             config = json.load(f)
             self.target_modules = config["target_modules"]
 

vllm/model_executor/model_loader/openvino.py

@@ -190,7 +190,7 @@ def get_model(
     kv_cache_dtype: ov.Type,
     **kwargs,
 ) -> torch.nn.Module:
-    lora_config = kwargs.get("lora_config", None)
+    lora_config = kwargs.get("lora_config")
     ov_core = kwargs.get("ov_core")
     if lora_config:
         raise ValueError(

vllm/model_executor/model_loader/tensorizer.py

@@ -280,7 +280,7 @@ class TensorizerAgent:
         self.tensorizer_args = (
             self.tensorizer_config._construct_tensorizer_args())
         self.extra_kwargs = extra_kwargs
-        if extra_kwargs.get("quant_config", None) is not None:
+        if extra_kwargs.get("quant_config") is not None:
             self.quant_config = extra_kwargs["quant_config"]
         else:
             self.quant_config = quant_config
@@ -380,8 +380,7 @@ def tensorizer_weights_iterator(
     stream = open_stream(tensorizer_args.tensorizer_uri, **stream_params)
     with TensorDeserializer(stream, **deserializer_args,
                             device="cpu") as state:
-        for name, param in state.items():
-            yield name, param
+        yield from state.items()
     del state
 
 

vllm/model_executor/model_loader/weight_utils.py

@@ -188,7 +188,7 @@ def get_quant_config(model_config: ModelConfig,
             f"{quant_config_files}")
 
     quant_config_file = quant_config_files[0]
-    with open(quant_config_file, "r") as f:
+    with open(quant_config_file) as f:
         config = json.load(f)
 
         if model_config.quantization == "bitsandbytes":
@@ -306,7 +306,7 @@ def filter_duplicate_safetensors_files(hf_weights_files: List[str],
 
     # Iterate through the weight_map (weight_name: safetensors files)
     # to identify weights that we should use.
-    with open(index_file_name, "r") as f:
+    with open(index_file_name) as f:
         weight_map = json.load(f)["weight_map"]
     weight_files_in_index = set()
     for weight_name in weight_map:
@@ -382,7 +382,7 @@ def np_cache_weights_iterator(
             with open(weight_names_file, "w") as f:
                 json.dump(weight_names, f)
 
-    with open(weight_names_file, "r") as f:
+    with open(weight_names_file) as f:
         weight_names = json.load(f)
 
     for name in weight_names:
@@ -423,8 +423,7 @@ def pt_weights_iterator(
             bar_format=_BAR_FORMAT,
     ):
         state = torch.load(bin_file, map_location="cpu")
-        for name, param in state.items():
-            yield name, param
+        yield from state.items()
         del state
         torch.cuda.empty_cache()