Update app.py

app.py

@@ -54,6 +54,8 @@ def text_to_speech(text_to_play):
 
 # # Launch the Gradio interface
 # iface.launch()
+def clear():
+  return None
 
 with gr.Blocks() as demo:
     html = gr.HTML()
@@ -63,4 +65,8 @@ with gr.Blocks() as demo:
     btn = gr.Button("OK")
     btn.click(text_to_speech, inputs=[text], outputs=[html])
 
+
+    clear_btn = gr.Button(value="Clear")
+    clear_btn.click(clear, inputs=[], outputs=[audio_input])
+
 demo.launch()