Use KL divergence by default

app.py

@@ -76,7 +76,7 @@ if not compact_layout:
     )
 
 model_name = st.selectbox("Model", ["distilgpt2", "gpt2", "EleutherAI/gpt-neo-125m"])
-metric_name = st.selectbox("Metric", ["KL divergence", "NLL loss"], index=1)
+metric_name = st.selectbox("Metric", ["KL divergence", "NLL loss"], index=0)
 
 tokenizer = st.cache_resource(AutoTokenizer.from_pretrained, show_spinner=False)(model_name, use_fast=False)