Fix pre-commit

Signed-off-by: Ce Gao <cegao@tensorchord.ai>

Author: gaocegege

vllm/reasoning/deepseek_r1_reasoning_parser.py

@@ -168,5 +168,5 @@ def extract_reasoning_content(
             # It should not happen since we already checked for the presence
             # of the end token.
             # If generation stops right after end-of-think, return null content
-            content = content or None
-            return reasoning_content, content
+            final_content = content or None
+            return reasoning_content, final_content