Update app.py

app.py

@@ -21,7 +21,7 @@ from qdrant_client import QdrantClient
 from optimum_encoder import OptimumEncoder
 from huggingface_hub import snapshot_download
 from streamlit_navigation_bar import st_navbar
-from unstructured.partition.auto import partition
+from ppt_chunker import ppt_chunk
 from fastembed import SparseEmbedding, SparseTextEmbedding
 from unstructured.nlp.tokenize import download_nltk_packages
 from scipy.sparse import csr_matrix, save_npz, load_npz, vstack