Fix genai helper typo and format (#2766)

Minor fix after
#2765

Author: sammysun0711

notebooks/llm-chatbot/gradio_helper_genai.py

@@ -2,7 +2,7 @@
 import openvino_genai as ov_genai
 from uuid import uuid4
 from threading import Event, Thread
-from gena_helper import ChunkStreamer
+from genai_helper import ChunkStreamer
 
 max_new_tokens = 256
 
@@ -64,7 +64,6 @@ def get_system_prompt(model_language, system_prompt=None):
     )
 
 
-
 def make_demo(pipe, model_configuration, model_id, model_language, disable_advanced=False):
     import gradio as gr
 

utils/genai_helper.py

@@ -2,6 +2,7 @@
 import queue
 import sys
 
+
 class IterableStreamer(ov_genai.StreamerBase):
     """
     A custom streamer class for handling token streaming and detokenization with buffering.
@@ -130,7 +131,6 @@ def reset(self):
         super().reset()
 
 
-
 class ChunkStreamer(IterableStreamer):
 
     def __init__(self, tokenizer, tokens_len):
@@ -142,4 +142,4 @@ def put(self, token_id: int) -> bool:
             self.tokens_cache.append(token_id)
             self.decoded_lengths.append(-1)
             return False
-        return super().put(token_id)
+        return super().put(token_id)