Update app.py

app.py

@@ -13,9 +13,12 @@ subprocess.run([sys.executable, "-m", "pip", "install", "xformers==0.0.32.post2"
 LTX_REPO_URL = "https://github.com/Lightricks/LTX-2.git"
 LTX_REPO_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), "LTX-2")
 
+LTX_COMMIT = "9f6f8b6"  # known working commit with decode_video
+
 if not os.path.exists(LTX_REPO_DIR):
     print(f"Cloning {LTX_REPO_URL}...")
-    subprocess.run(["git", "clone", "--depth", "1", LTX_REPO_URL, LTX_REPO_DIR], check=True)
+    subprocess.run(["git", "clone", LTX_REPO_URL, LTX_REPO_DIR], check=True)
+    subprocess.run(["git", "checkout", LTX_COMMIT], cwd=LTX_REPO_DIR, check=True)
 
 print("Installing ltx-core and ltx-pipelines from cloned repo...")
 subprocess.run(
@@ -48,8 +51,7 @@ from ltx_core.components.diffusion_steps import EulerDiffusionStep
 from ltx_core.components.noisers import GaussianNoiser
 from ltx_core.model.audio_vae import encode_audio as vae_encode_audio
 from ltx_core.model.upsampler import upsample_video
-from ltx_core.model.video_vae import TilingConfig, get_video_chunks_number
-from ltx_core.model.video_vae.video_vae import decode_video as vae_decode_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
 from ltx_core.types import Audio, AudioLatentShape, VideoPixelShape
 from ltx_pipelines.distilled import DistilledPipeline