Update app.py

app.py

@@ -55,6 +55,7 @@ from ltx_core.components.diffusion_steps import EulerDiffusionStep
 from ltx_core.components.guiders import MultiModalGuider, MultiModalGuiderParams
 from ltx_core.components.noisers import GaussianNoiser
 from ltx_core.model.audio_vae import encode_audio as vae_encode_audio
+from ltx_core.model.audio_vae import decode_audio as vae_decode_audio
 from ltx_core.model.upsampler import upsample_video
 from ltx_core.model.video_vae import TilingConfig, get_video_chunks_number, decode_video as vae_decode_video
 from ltx_core.quantization import QuantizationPolicy