Fix indentation error in try block

app.py

@@ -35,11 +35,11 @@ def patched_torch_load(f, *args, **kwargs):
 torch.load = patched_torch_load
 
 try:
-sam = sam_model_registry[MODEL_TYPE](checkpoint=MODEL_CHECKPOINT)
-sam.to(device=device)
-sam.eval()
-predictor = SamPredictor(sam)
-print("✓ MedSAM model loaded successfully!")
+    sam = sam_model_registry[MODEL_TYPE](checkpoint=MODEL_CHECKPOINT)
+    sam.to(device=device)
+    sam.eval()
+    predictor = SamPredictor(sam)
+    print("✓ MedSAM model loaded successfully!")
 finally:
     # Restore original torch.load
     torch.load = original_torch_load