Update app.py

app.py

@@ -11,7 +11,7 @@ from langchain.prompts import ChatPromptTemplate
 from langchain_community.llms.ollama import Ollama
 from get_embedding_function import get_embedding_function
 from langchain.document_loaders.pdf import PyPDFDirectoryLoader
-from langchain.text_splitters import RecursiveCharacterTextSplitter
+from langchain_text_splitters import RecursiveCharacterTextSplitter
 from langchain.schema.document import Document
 
 app = Flask(__name__)