diff --git a/README.md b/README.md
index 4d551ee..09ef87e 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ class TodoList(BaseModel):
     todos: list[Item]
     urgency: int = Field(description="The urgency of all tasks (1-10)")
 
-# support for union types 
+# support for union types
 def extract_list(user_input: str) -> TodoList | ShoppingList:
     """
     The user input is either a shopping List or a todo list.
diff --git a/src/funcchain/chain/creation.py b/src/funcchain/chain/creation.py
index 5dc6409..08dc65c 100644
--- a/src/funcchain/chain/creation.py
+++ b/src/funcchain/chain/creation.py
@@ -4,7 +4,7 @@
 from langchain_core.language_models import BaseChatModel
 from langchain_core.prompts import ChatPromptTemplate
 from langchain_core.messages import AIMessage, BaseMessage, HumanMessage
-from langchain_core.output_parsers import BaseOutputParser 
+from langchain_core.output_parsers import BaseOutputParser
 from langchain_core.chat_history import BaseChatMessageHistory
 from langchain_core.runnables import (
     RunnableSequence,