Update app.py

app.py

@@ -65,8 +65,8 @@ def generate_file_id(file_path):
 
 def delete_existing_embedding(file_id):
     if os.path.exists(persist_directory):
-        vector_store = Chroma(persist_directory=persist_directory, embedding_function=embeddings)
-        vector_store._client.reset()  # Reset in-memory cache
+        client_settings = chromadb.config.Settings(allow_reset=True)
+        vector_store = Chroma(persist_directory=persist_directory, embedding_function=embeddings,client_settings=client_settings)       
         vector_store._collection.delete()  # Drop all stored vectors
 
 def tempUploadFile(filePath,file):