diff --git a/.gitignore b/.gitignore
index b8af3ff..c00e3bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,8 @@ __pycache__/
 
 # C extensions
 *.so
+.langgraph_api
+.vscode
 
 # Distribution / packaging
 .Python
diff --git a/src/chatbot/graph.py b/src/chatbot/graph.py
index b4db54b..9612faf 100644
--- a/src/chatbot/graph.py
+++ b/src/chatbot/graph.py
@@ -13,6 +13,7 @@
 from chatbot.configuration import ChatConfigurable
 from chatbot.utils import format_memories, init_model
 
+
 @dataclass
 class ChatState:
     """The state of the chatbot."""