testing converting into a string

app.py

@@ -12,7 +12,8 @@ def get_pitch(audio_file):
     sound = parselmouth.Sound(audio_file)
     pitch = call(sound, "To Pitch", 0.0, 75, 500)
     pitch_values = pitch.selected_array['frequency']
-    return pitch_values
+    text = print(pitch_values)
+    return text
 
 demo = gr.Interface(fn=get_pitch, inputs="audio", outputs="text")
 demo.launch()