Update app.py

app.py

@@ -1,27 +1,22 @@
 import os
-
 import shutil
-
 import PyPDF2
-
 import gradio as gr
-
 from PIL import Image
 
-from transformers import BlipProcessor, BlipForConditionalGeneration
-
-from huggingface_hub import InferenceClient
-
-from langchain_huggingface import HuggingFaceEmbeddings
-
 # Unstructured for rich PDF parsing
 from unstructured.partition.pdf import partition_pdf
 from unstructured.partition.utils.constants import PartitionStrategy
 
+# Vision-language captioning (BLIP)
+from transformers import BlipProcessor, BlipForConditionalGeneration
+
+# Hugging Face Inference client
+from huggingface_hub import InferenceClient
 
 # LangChain vectorstore and embeddings
 from langchain_community.vectorstores import FAISS
-from langchain_community.embeddings import HuggingFaceEmbeddings
+from langchain_huggingface import HuggingFaceEmbeddings