Update app.py

app.py

@@ -2468,7 +2468,7 @@ with tab_predict:
                 fpr, tpr, roc_thresholds = roc_curve(y_ext01, proba)
         
                 # Threshold metrics (user-controlled)
-                thr_ext = st.slider("External validation threshold", 0.0, 1.0, 0.5, 0.01, key="thr_ext")
+                
                 cls_ext = compute_classification_metrics(y_ext01, proba, threshold=float(thr_ext))
         
                 pr_ext = compute_pr_curve(y_ext01, proba)