Fix crash by pinning LTX-2 to a compatible commit. (#5)

- Fix crash by pinning LTX-2 to a compatible commit. (27ca42686df54a99c6a42ae094d1922c2eebd536)


Co-authored-by: Sylvain Filoni <fffiloni@users.noreply.huggingface.co>

app.py

@@ -9,19 +9,29 @@ os.environ["TORCHDYNAMO_DISABLE"] = "1"
 # Install xformers for memory-efficient attention
 subprocess.run([sys.executable, "-m", "pip", "install", "xformers==0.0.32.post2", "--no-build-isolation"], check=False)
 
-# Clone LTX-2 repo and install packages
+# Clone LTX-2 repo at a pinned compatible commit and install packages
 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 = "ae855f8538843825f9015a419cf4ba5edaf5eec2"
 
-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)
+if os.path.exists(LTX_REPO_DIR):
+    print(f"Removing existing repo at {LTX_REPO_DIR}...")
+    subprocess.run(["rm", "-rf", LTX_REPO_DIR], check=True)
 
-print("Installing ltx-core and ltx-pipelines from cloned repo...")
+print(f"Cloning {LTX_REPO_URL}...")
+subprocess.run(["git", "clone", LTX_REPO_URL, LTX_REPO_DIR], check=True)
+
+print(f"Checking out commit {LTX_COMMIT}...")
+subprocess.run(["git", "-C", LTX_REPO_DIR, "checkout", LTX_COMMIT], check=True)
+
+print("Installing ltx-core and ltx-pipelines from pinned repo commit...")
 subprocess.run(
-    [sys.executable, "-m", "pip", "install", "--force-reinstall", "--no-deps", "-e",
-     os.path.join(LTX_REPO_DIR, "packages", "ltx-core"),
-     "-e", os.path.join(LTX_REPO_DIR, "packages", "ltx-pipelines")],
+    [
+        sys.executable, "-m", "pip", "install",
+        "--force-reinstall", "--no-deps",
+        "-e", os.path.join(LTX_REPO_DIR, "packages", "ltx-core"),
+        "-e", os.path.join(LTX_REPO_DIR, "packages", "ltx-pipelines"),
+    ],
     check=True,
 )