Update app.py

app.py

@@ -5,7 +5,7 @@ from langchain.document_loaders import PyPDFLoader  # For loading and reading PD
 from langchain.text_splitter import RecursiveCharacterTextSplitter  # For splitting large texts into smaller chunks.
 from langchain.vectorstores import Chroma  # Vector storage system for embeddings.
 from langchain.llms import CTransformers  # For loading transformer models.
-from InstructorEmbedding import INSTRUCTOR  # Not clear without context, possibly a custom embedding.
+# from InstructorEmbedding import INSTRUCTOR  # Not clear without context, possibly a custom embedding.
 from langchain.embeddings import HuggingFaceInstructEmbeddings  # Embeddings from HuggingFace models with instructions.
 from langchain.embeddings import HuggingFaceEmbeddings  # General embeddings from HuggingFace models.
 from langchain.embeddings import LlamaCppEmbeddings  # Embeddings using the Llama model.