Update app.py

app.py

@@ -17,6 +17,8 @@ from scipy.sparse import csr_matrix, save_npz, load_npz, vstack
 from qdrant_client import QdrantClient, models
 from langchain_community.document_loaders import WikipediaLoader, WebBaseLoader
 from langchain_experimental.text_splitter import SemanticChunker
+from fastembed.sparse.splade_pp import supported_splade_models
+from fastembed import SparseTextEmbedding, SparseEmbedding
 from sentence_transformers import SentenceTransformer
 from unstructured.partition.auto import partition
 from qdrant_client.models import (