Update app.py

app.py

@@ -39,5 +39,5 @@ def main():
     audio_bytes = audio_file.read()
     st.audio(audio_bytes, format='audio/ogg',start_time=0)
 		
-if __name__ == '__main__' : 
-	main()
+if __name__ == '__main__' :
+  main()