Update app.py

app.py

@@ -22,7 +22,7 @@ import uuid
 api_key = os.environ.get("API_KEY")
 
 llm = Gemini(api_key=api_key, model_name="models/gemini-1.5-flash-latest")
-gemini_embedding_model = GeminiEmbedding(api_key=api_key, model_name="models/embedding-001")
+gemini_embedding_model = GeminiEmbedding(api_key=api_key, model_name="models/text-embedding-004")