prevent empty suggestion

app.py

@@ -40,7 +40,9 @@ def suggest_next(text, model_name, k, m):
         do_sample=False,
         early_stopping=True
     )
-    suggestions = [out["generated_text"][len(text):] for out in outs]
+    suggestions = [out["generated_text"][len(text):].strip() for out in outs]
+    suggestions = [s for s in suggestions if s]
+
     # 重置選值並更新選項
     return update(choices=suggestions, value=None)