Update app.py

app.py

@@ -1,9 +1,9 @@
 # Configuration
 # These variables are now mostly for reference, FastAPI/Uvicorn handle port
 prod = False
+import os # Moved import os to the beginning
 port = int(os.environ.get("PORT", 8080)) # Use PORT environment variable provided by Spaces, default to 8080
 
-import os
 import random
 import time
 import numpy as np
@@ -416,4 +416,3 @@ if __name__ == "__main__":
     # The host "0.0.0.0" makes the server accessible externally within the container
     # The port is taken from the environment variable PORT, which Hugging Face Spaces sets
     uvicorn.run(app, host="0.0.0.0", port=port)
-