Update app.py

app.py

@@ -465,15 +465,34 @@ def build_ui(evaluate_fn):
         return acc, summary
 
     def _ui_evaluate(description: str, code: str):
-        verdict, metrics, issues, error = evaluate_fn(description, code)
-        accuracy, summary = _split_metrics(metrics)
-        if "PASS" in verdict.upper():
-            verdict_display = "✅  PASS"
-        elif "FAIL" in verdict.upper():
-            verdict_display = "❌  FAIL"
-        else:
-            verdict_display = verdict or ""
-        return verdict_display, accuracy, summary, issues, error
+    verdict, metrics, issues, error = evaluate_fn(description, code)
+    accuracy, summary = _split_metrics(metrics)
+
+    if error:
+        # Error occurred — show only the error box, hide all result boxes
+        return (
+            gr.update(value="",       visible=False),  # verdict
+            gr.update(value="",       visible=False),  # accuracy
+            gr.update(value="",       visible=False),  # summary
+            gr.update(value="",       visible=False),  # issues
+            gr.update(value=error,    visible=True),   # error ← only this shows
+        )
+
+    # No error — show all result boxes, hide the error box
+    if "PASS" in verdict.upper():
+        verdict_display = "✅  PASS"
+    elif "FAIL" in verdict.upper():
+        verdict_display = "❌  FAIL"
+    else:
+        verdict_display = verdict or ""
+
+    return (
+        gr.update(value=verdict_display, visible=True),   # verdict
+        gr.update(value=accuracy,        visible=True),   # accuracy
+        gr.update(value=summary,         visible=True),   # summary
+        gr.update(value=issues,          visible=True),   # issues
+        gr.update(value="",              visible=False),  # error ← hidden when no error
+    )
 
     with gr.Blocks(title="Python Code Evaluator") as demo: