Update app.py

app.py

@@ -5,6 +5,23 @@ from huggingface_hub import snapshot_download
 from diffsynth import ModelManager, WanVideoPusaPipeline, save_video
 import spaces
 
+import subprocess
+import os
+import sys
+
+# Install PusaV1 locally if not already installed
+PUSA_PATH = os.path.abspath("./PusaV1")
+if PUSA_PATH not in sys.path:
+    sys.path.insert(0, PUSA_PATH)
+
+if not os.path.exists(os.path.join(PUSA_PATH, "diffsynth")):
+    raise RuntimeError("PusaV1 folder is missing or incorrectly placed.")
+
+setup_file = os.path.join(PUSA_PATH, "setup.py")
+if os.path.exists(setup_file):
+    subprocess.run([sys.executable, setup_file, "install"], check=False)
+
+    
 # Constants
 WAN_SUBFOLDER = "Wan2.1-T2V-14B"
 MODEL_REPO_ID = "RaphaelLiu/PusaV1"