diff --git a/python/openwebui/pipe_mcts.py b/python/openwebui/pipe_mcts.py
index a036794..7c0496a 100644
--- a/python/openwebui/pipe_mcts.py
+++ b/python/openwebui/pipe_mcts.py
@@ -186,7 +186,8 @@ def get_chunk_content(self, chunk):
                 if "content" in delta:
                     yield delta["content"]
         except json.JSONDecodeError:
-            logger.error(f'ChunkDecodeError: unable to parse "{chunk_str[:100]}"')
+            logger.error(
+                f'ChunkDecodeError: unable to parse "{chunk_str[:100]}"')
 
 
 # =============================================================================
@@ -441,7 +442,8 @@ async def update_approach(self, answer: str, improvements: str):
         return await self.generate_completion(prompt)
 
     async def evaluate_answer(self, answer: str):
-        prompt = eval_answer_prompt.format(question=self.question, answer=answer)
+        prompt = eval_answer_prompt.format(
+            question=self.question, answer=answer)
         result = await self.generate_completion(prompt)
         try:
             score = int(re.search(r"\d+", result).group())
@@ -672,7 +674,8 @@ async def pipe(
         if match:
             backend, model_name = match.groups()
         else:
-            logger.error("Model ID should be in the format '*.mcts/backend/model_name'")
+            logger.error(
+                "Model ID should be in the format '*.mcts/backend/model_name'")
             logger.error(f"Invalid model ID: {model_id}")
             return ""