try

app.py

@@ -20,7 +20,8 @@ if credentials_json:
     os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = credentials_path
 
 # Initialize the Google AI Platform
-aiplatform_v1.init(project="akroda", location="us-central1")
+client_options = {"api_endpoint": "us-central1-aiplatform.googleapis.com"}
+client = aiplatform.gapic.PipelineServiceClient(client_options=client_options)
 
 # Define the documents as dictionaries, ensuring correct padding
 documents = [