Update frontend.py

frontend.py

@@ -96,7 +96,7 @@ with tab1:
             try:
                 payload = {
                     "text": st.session_state.review,
-                    "model": sentiment_model if sentiment_model != "Auto-detect" else None,
+                    "model": "distilbert-base-uncased-finetuned-sst-2-english" if sentiment_model == "Auto-detect" else sentiment_model,
                     "industry": industry,
                     "product_category": product_category,
                     "verbosity": verbosity,
@@ -183,7 +183,7 @@ with tab2:
         lines = [l.strip() for l in bulk_input.strip().splitlines() if l.strip()]
         payload = {
             "reviews": lines,
-            "model": sentiment_model if sentiment_model != "Auto-detect" else None,
+            "model": "distilbert-base-uncased-finetuned-sst-2-english" if sentiment_model == "Auto-detect" else sentiment_model,
             "industry": None,
             "product_category": None,
             "device": None,