Update app.py

app.py

@@ -46,7 +46,7 @@ def get_example_files(directory="./examples"):
         logger.warning(f"Examples directory {directory} not found.")
         return []
     files = glob.glob(f"{directory}/**/**")
-    files = random.shuffle(files)
+    random.shuffle(files)
     #audio_extensions = ['.wav', '.mp3', '.m4a', '.flac', '.ogg']
     #files = [os.path.abspath(os.path.join(directory, f))
     #         for f in os.listdir(directory)