Update app.py

app.py

@@ -9,7 +9,7 @@ from langchain.embeddings.openai import OpenAIEmbeddings
 from langchain_pinecone import PineconeVectorStore
 from langchain.prompts import PromptTemplate
 from langchain.chains.question_answering import load_qa_chain
-from ctransformers import CTransformers
+from langchain_community.llms import CTransformers
 
 load_dotenv()