Update app.py

app.py

@@ -2,27 +2,6 @@ import os
 from dotenv import load_dotenv
 import sys
 import multiprocessing
-# Prevent leaked-semaphore warning on macOS when SentenceTransformer / tokenizers
-# fork background processes.  Must be called before any other multiprocessing use.
-try:
-    multiprocessing.set_start_method("spawn", force=True)
-except RuntimeError:
-    pass  # already set
-
-# Clean up any leaked semaphores at interpreter exit so the resource-tracker
-# doesn't emit a noisy warning on Ctrl-C.
-import atexit, multiprocessing.resource_tracker as _rt
-
-def _cleanup_semaphores():
-    """Silence 'leaked semaphore' warnings at shutdown cleanly."""
-    warnings.filterwarnings(
-        "ignore", 
-        message=".*leaked.*", 
-        category=UserWarning, 
-        module="multiprocessing.resource_tracker"
-    )
-
-atexit.register(_cleanup_semaphores)
 
 # Add src to path for imports - handles both local (../src) and container/HF (./src) structures
 current_dir = os.path.dirname(os.path.abspath(__file__))