Update app.py

app.py

@@ -5,7 +5,7 @@ from langchain.vectorstores import FAISS
 from langchain.embeddings import HuggingFaceEmbeddings
 
 # Initialize the LLM from Hugging Face Hub
-llm = HuggingFaceHub(repo_id="gpt2")
+llm = HuggingFaceHub(repo_id="gpt2", model_kwargs={"temperature": 0.7})
 
 # Initialize embeddings
 embeddings = HuggingFaceEmbeddings(model_name="sentence-transformers/all-MiniLM-L6-v2")