Update app.py

app.py

@@ -644,6 +644,10 @@ if __name__ == '__main__':
                     uploaded_file = open(root + '.pptx', 'rb')
 
                 weakDict = ppt_chunk(uploaded_file)
+                documents = weakDict.all_texts()
+
+                dense_embeddings = dense_model.embed_documents(documents)
+                sparse_embeddings = list(sparse_model.embed(documents, 32))
 
                 client.upsert(
                     collection_name,