fix

app.py

@@ -1,22 +1,37 @@
 import subprocess
 
+import os
+import sys
+import subprocess
+
+def run(cmd, cwd=None):
+    print(f"▶ {cmd}")
+    subprocess.check_call(cmd, shell=True, cwd=cwd)
+
 def setup_deps():
-    print("Setting up dependencies...")
+    # Use a flag to prevent infinite restarts
+    if os.environ.get("HF_SPACE_BOOTSTRAPPED") == "1":
+        return
+
+    # Try importing something to check if it's already set up
     try:
         import torch
-        # Already installed? Skip setup
-        return
+        import sam2
+        print("🔧 Dependencies already installed.")
+        return  # all good, don't reinstall
     except ImportError:
         pass
 
-    def run(cmd, cwd=None):
-        print(f"▶ {cmd}")
-        subprocess.check_call(cmd, shell=True, cwd=cwd)
-
+    print("🔧 Installing dependencies...")
     run("pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cpu")
     run("pip install -e .", cwd="segment-anything-2")
     run("pip install --no-deps -r requirements_manual.txt")
 
+    # Relaunch the script with an env flag to avoid looping
+    print("♻️ Restarting app to apply changes...")
+    os.environ["HF_SPACE_BOOTSTRAPPED"] = "1"
+    os.execv(sys.executable, [sys.executable] + sys.argv)
+
 setup_deps()
 
 import gradio as gr