Update app.py

app.py

@@ -62,7 +62,7 @@ def convert_to_wav(data, sample_rate):
 
     return temp_file
 
-+def play_and_download_sound(noise_ratio, lowcut, highcut, duration, pop_rate) -> Tuple[Audio, str]:
+def play_and_download_sound(noise_ratio, lowcut, highcut, duration, pop_rate) -> Tuple[Audio, str]:
     data, sample_rate = generate_vinyl_sound(noise_ratio, lowcut, highcut, duration, pop_rate)
     temp_file = convert_to_wav(data, sample_rate)
     audio = Audio(temp_file)