updates for dropdown list

app.py

@@ -78,6 +78,7 @@ class myTheme(Base):
 
 
 def on_select(evt: gr.SelectData):  # SelectData is a subclass of EventData
+    print(evt.value)
     return evt.value
 
 
@@ -143,6 +144,8 @@ with gr.Blocks(theme=myTheme) as demo:
     lang_select = gr.Radio(["English", "Chinese"], label="Select Desired Language")
     result = gr.Textbox(label="Translated Result")
     trans_btn = gr.Button("Translate")
+    toolkit_select.select(on_select)
+    trans_btn.click(fn=opus_trans, inputs=[article, lang_select], outputs=result)
     if toolkit_select.select(on_select) == "OPUS":
         trans_btn.click(fn=opus_trans, inputs=[article, lang_select], outputs=result)
     elif toolkit_select.select(on_select) == "NLLB":