Update app.py

app.py

@@ -25,6 +25,8 @@ from llama_index.core import (
 from llama_index.embeddings.gemini import GeminiEmbedding
 import g4f 
 g4f.debug.logging = True 
+from llama_index.core import Settings
+
 
 
 llm= LLM = G4FLLM(
@@ -40,6 +42,7 @@ model_name = "models/embedding-001"
 embed_model = GeminiEmbedding(
     model_name=model_name, api_key=GOOGLE_API_KEY, title="this is a document"
 )
+Settings.embed_model = embed_model
 # Reads pdfs at "./" path
 documents = (
     SimpleDirectoryReader(