support qwen3_self_cognition (#4039)

Author: Jintao-Huang

swift/llm/dataset/dataset/llm.py

@@ -829,9 +829,10 @@ def preprocess(self, row: Dict[str, Any]) -> Dict[str, Any]:
         return super().preprocess(row)
 
 
-class ThinkSelfCognitionPreprocessor(SelfCognitionPreprocessor):
+class Qwen3SelfCognitionPreprocessor(SelfCognitionPreprocessor):
 
     def preprocess(self, row: Dict[str, Any]) -> Dict[str, Any]:
+        row['query'] = row['query'] + ' /no_think'
         row['response'] = '<think>\n\n</think>\n\n' + row['response']
         return super().preprocess(row)
 
@@ -842,6 +843,6 @@ def preprocess(self, row: Dict[str, Any]) -> Dict[str, Any]:
         hf_dataset_id='modelscope/self-cognition',
         subsets=[
             SubsetDataset(preprocess_func=SelfCognitionPreprocessor()),
-            SubsetDataset('think', preprocess_func=ThinkSelfCognitionPreprocessor()),
+            SubsetDataset('qwen3', preprocess_func=Qwen3SelfCognitionPreprocessor()),
         ],
         tags=['chat', 'self-cognition', '🔥']))