Update app.py

app.py

@@ -1,16 +1,13 @@
 import os
 import shutil
 from datetime import datetime
-
+from google import genai
 import gradio as gr
 from langchain_chroma import Chroma
 from langchain_community.document_loaders import PyPDFLoader
 from langchain_text_splitters import RecursiveCharacterTextSplitter
-
-from langchain_google_genai import (
-    GoogleGenerativeAIEmbeddings,
-    ChatGoogleGenerativeAI
-)
+from langchain_huggingface import HuggingFaceEmbeddings
+from langchain_google_genai import ChatGoogleGenerativeAI
 from huggingface_hub import snapshot_download
 
 # ==================================================
@@ -35,8 +32,8 @@ if API_KEY is None:
         "GEMINI_API_KEY が設定されていません"
     )
 
-embedding_model = GoogleGenerativeAIEmbeddings(
-    model="models/embedding-001"
+embedding_model = HuggingFaceEmbeddings(
+    model="sentence-transformers/all-MiniLM-L6-v2"
 )
 
 llm = ChatGoogleGenerativeAI(