Update app.py

app.py

@@ -17,7 +17,7 @@ from PIL import Image
 from pypdf import PdfReader
 from dotenv import load_dotenv
 import shutil
-from chromadb.config import Settings
+from chromadb.config import Settings, DEFAULT_TENANT, DEFAULT_DATABASE
 from welcome_text import WELCOME_INTRO
 
 from doctr.io import DocumentFile
@@ -106,11 +106,12 @@ def get_vectordb(text: str, images: list[Image.Image], img_names: list[str]):
     shutil.rmtree(PERSIST_DIR, ignore_errors=True)
     os.makedirs(PERSIST_DIR, exist_ok=True)
 
-    # 2) Persistent client
-    client = chromadb.Client(Settings(
-        chroma_db_impl="duckdb+parquet",
-        persist_directory=PERSIST_DIR
-    ))
+    client = chromadb.PersistentClient(
+    path=PERSIST_DIR,
+    settings=Settings(),
+    tenant=DEFAULT_TENANT,
+    database=DEFAULT_DATABASE
+    )
 
     # 3) Create / wipe collections
     for col in ("text_db", "image_db"):