Update app.py

app.py

@@ -2,25 +2,37 @@ import gradio as gr
 import os
 import tempfile
 from huggingface_hub import snapshot_download
-from diffsynth import ModelManager, WanVideoPusaPipeline, save_video
+import sys, os
+sys.path.insert(0, os.path.abspath("./PusaV1"))
+
+
 import spaces
 
-import subprocess
-import os
-import sys
+import sys, os
 
-# Install PusaV1 locally if not already installed
+# Add PusaV1 to sys.path if not already
 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.")
+# Validate diffsynth presence
+DIFFSYNTH_PATH = os.path.join(PUSA_PATH, "diffsynth")
+if not os.path.exists(DIFFSYNTH_PATH):
+    raise RuntimeError(
+        f"'diffsynth' package not found in {PUSA_PATH}. "
+        f"Ensure PusaV1 is correctly cloned and folder structure is intact."
+    )
 
-setup_file = os.path.join(PUSA_PATH, "setup.py")
 if os.path.exists(setup_file):
     subprocess.run([sys.executable, setup_file, "install"], check=False)
 
+
+
+
+
+
+
+from PusaV1.diffsynth import ModelManager, WanVideoPusaPipeline, save_video
     
 # Constants
 WAN_SUBFOLDER = "Wan2.1-T2V-14B"