Update app.py

app.py

@@ -10,6 +10,9 @@ from langchain.embeddings import OpenAIEmbeddings
 from langchain.chains import LLMChain
 from langchain.prompts import PromptTemplate
 from langchain.vectorstores import FAISS
+from langchain_openai import ChatOpenAI
+from langchain.prompts import PromptTemplate
+from langchain.runnables import RunnableSequence
 
 # Load environment variables
 load_dotenv()
@@ -51,7 +54,7 @@ embeddings = OpenAIEmbeddings(openai_api_key=openai_api_key)
 
 # Load FAISS index with error handling
 # Load FAISS index with error handling
-faiss_index_path = "https://huggingface.co/spaces/Sasiraj01/medicalragsystem01/resolve/main/index.faiss"  # Path on Hugging Face Space
+faiss_index_path = "/app/faiss_files/index.faiss"  # Path on Hugging Face Space
 
 try:
     db = FAISS.load_local(faiss_index_path, embeddings, allow_dangerous_deserialization=True)