Update app.py

app.py

@@ -16,7 +16,6 @@ from langchain_openai import AzureOpenAIEmbeddings
 from langchain_openai import OpenAIEmbeddings
 from langchain_community.embeddings.fastembed import FastEmbedEmbeddings
 from langchain_openai import ChatOpenAI
-os.environ["OPENAI_API_KEY"] = "sk-.............."
 os.environ["GROQ_API_KEY"]=os.getenv('GROQ_API_KEY')
 from langchain_groq import ChatGroq