Update app.py

app.py

@@ -28,6 +28,7 @@ from langchain_openai import OpenAI, OpenAIEmbeddings, ChatOpenAI
 from langchain_google_genai import ChatGoogleGenerativeAI
 from langchain_google_genai import GoogleGenerativeAIEmbeddings
 
+
 # LLM: HuggingFace
 from langchain_community.embeddings import HuggingFaceInferenceAPIEmbeddings
 from langchain_community.llms import HuggingFaceHub
@@ -162,7 +163,7 @@ def select_embeddings_model(LLM_service="HuggingFace"):
     if LLM_service == "Google":
         embeddings = GoogleGenerativeAIEmbeddings(
             model="models/embedding-001",
-            google_api_key=google_api_key
+            google_api_key=google_api_key,
         )
     if LLM_service == "HuggingFace":
         embeddings = HuggingFaceInferenceAPIEmbeddings(