Update app.py

app.py

@@ -313,7 +313,7 @@ with gr.Blocks(css=css) as demo:
                 outputs = [spec_for_mask]
             )
 
-            audio_in_inp.clear(
+            spec_for_mask.clear(
                 fn = load_spec_for_manual_masking,
                 inputs = [audio_in_inp],
                 outputs = [spec_for_mask]