diff --git a/pandasai/llm/langchain.py b/pandasai/llm/langchain.py
index 2ca827f5b..5aa6e461a 100644
--- a/pandasai/llm/langchain.py
+++ b/pandasai/llm/langchain.py
@@ -1,5 +1,6 @@
 from pandasai.prompts.base import AbstractPrompt
 from .base import LLM
+
 """Langchain LLM 
 
 This module is to run LLM using LangChain framework.