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_SHA = "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)
+    print(f"Cloning {LTX_REPO_URL} at commit {LTX_COMMIT_SHA}...")
+    subprocess.run(["git", "clone", LTX_REPO_URL, LTX_REPO_DIR], check=True)
+    subprocess.run(["git", "-C", LTX_REPO_DIR, "checkout", LTX_COMMIT_SHA], check=True)
 
 print("Installing ltx-core and ltx-pipelines from cloned repo...")
 subprocess.run(
@@ -308,5 +311,4 @@ css = """
 """
 
 if __name__ == "__main__":
-    demo.launch(theme=gr.themes.Citrus(), css=css)
-
+    demo.launch(theme=gr.themes.Citrus(), css=css)