Update src/main.py

src/main.py

@@ -215,7 +215,7 @@ def add_audio_effects(audio_path, reverb_rm_size, reverb_wet, reverb_dry, reverb
          ]
     )
 
-    with AudioFile(audio_path, always_2d=True) as f:
+    with AudioFile(audio_path) as f:
         with AudioFile(output_path, 'w', f.samplerate, f.num_channels) as o:
             # Read one second of audio at a time, until the file is empty:
             while f.tell() < f.frames: