fix example error

app.py

@@ -32,8 +32,8 @@ iface = gr.Interface(
     article=article,
     examples=examples,
     inputs=[
-        gr.components.Textbox(lines=5, placeholder="Enter text (maximum 5 lines)", label="Input"),
-        gr.components.Radio(
+        gr.Textbox(lines=5, placeholder="Enter text (maximum 5 lines)", label="Input"),
+        gr.Radio(
             choices=['en->ss', 'ss->en'],
             default='en->ss',
             label='Direction'),
@@ -43,3 +43,4 @@ iface = gr.Interface(
 
 iface.launch(enable_queue=True)
 
+