fix lint, and config check

Signed-off-by: wangxiyuan <[email protected]>

Author: wangxiyuan

vllm_ascend/ascend_config.py

@@ -34,7 +34,7 @@ class AscendConfig:
 
     def __init__(self, vllm_config):
         additional_config = vllm_config.additional_config if vllm_config.additional_config is not None else {}
-        self.is_deepseek_sfa = vllm_config.model_config.is_deepseek_mla and hasattr(
+        self.is_deepseek_sfa = vllm_config.model_config is not None and vllm_config.model_config.is_deepseek_mla and hasattr(
             vllm_config.model_config.hf_text_config, 'attn_module_list_cfg')
         self.use_sfa = self.is_deepseek_sfa
 

vllm_ascend/patch/worker/patch_common/patch_attention_selector.py

@@ -73,8 +73,8 @@ def _cached_get_attn_backend(
         # use the placeholder NO_ATTENTION
         if is_attention_free:
             from vllm.attention.backends.placeholder_attn import \
-                PlaceholderAttentionBackend  # type: ignore[import-untyped]
-            return PlaceholderAttentionBackend  # type: ignore[import-untyped]
+                PlaceholderAttentionBackend  # type: ignore
+            return PlaceholderAttentionBackend  # type: ignore
 
         # Check whether a particular choice of backend was
         # previously forced.