diff --git a/pilot/model/llm_out/guanaco_llm.py b/pilot/model/llm_out/guanaco_llm.py
index 9b8008702..1a2d1ae8b 100644
--- a/pilot/model/llm_out/guanaco_llm.py
+++ b/pilot/model/llm_out/guanaco_llm.py
@@ -76,7 +76,7 @@ def guanaco_generate_stream(model, tokenizer, params, device, context_len=2048):
     streamer = TextIteratorStreamer(
         tokenizer, timeout=10.0, skip_prompt=True, skip_special_tokens=True
     )
-    
+
     tokenizer.bos_token_id = 1
     stop_token_ids = [0]
 
@@ -102,10 +102,9 @@ def guanaco_generate_stream(model, tokenizer, params, device, context_len=2048):
         stopping_criteria=StoppingCriteriaList([stop]),
     )
 
-
     model.generate(**generate_kwargs)
 
     out = ""
     for new_text in streamer:
         out += new_text
-        yield out
\ No newline at end of file
+        yield out
diff --git a/pilot/out_parser/base.py b/pilot/out_parser/base.py
index d1dee2e37..909023f07 100644
--- a/pilot/out_parser/base.py
+++ b/pilot/out_parser/base.py
@@ -56,7 +56,6 @@ class BaseOutputParser(ABC):
                 # output = data["text"][skip_echo_len + 11:].strip()
                 output = data["text"][skip_echo_len:].strip()
             elif "guanaco" in CFG.LLM_MODEL:
-
                 # NO stream output
                 # output = data["text"][skip_echo_len + 2:].replace("<s>", "").strip()
 
diff --git a/pilot/server/chat_adapter.py b/pilot/server/chat_adapter.py
index 8db61d09f..4dec22655 100644
--- a/pilot/server/chat_adapter.py
+++ b/pilot/server/chat_adapter.py
@@ -91,7 +91,7 @@ class GuanacoChatAdapter(BaseChatAdpter):
         return "guanaco" in model_path
 
     def get_generate_stream_func(self):
-        from pilot.model.llm_out.guanaco_llm import guanaco_generate_stream 
+        from pilot.model.llm_out.guanaco_llm import guanaco_generate_stream
 
         return guanaco_generate_stream