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app.py

@@ -22,9 +22,8 @@ if os.environ.get("HF_TOKEN"):
 # --- Stubs (must be before sam3d imports) ---
 STUB_KAOLIN = Path("/home/user/app/kaolin_stub")
 STUB_PT3D = Path("/home/user/app/pytorch3d_stub")
-STUB_SPCONV = Path("/home/user/app/spconv_stub")
 STUB_FA = Path("/home/user/app/flash_attn_stub")
-for stub in [STUB_KAOLIN, STUB_PT3D, STUB_SPCONV, STUB_FA]:
+for stub in [STUB_KAOLIN, STUB_PT3D, STUB_FA]:
     if stub.exists():
         sys.path.insert(0, str(stub))
         print(f"Stub added: {stub.name}")
@@ -55,6 +54,10 @@ for idx in ["https://docs.gsplat.studio/whl/pt210cu128",
     if _pip("--no-deps", f"--extra-index-url={idx}", "gsplat"):
         break
 
+# spconv (sparse convolution – needed for SAM3D's SLatFlowModel)
+# cu124 wheel is forward-compatible with cu128
+_pip("spconv-cu124==2.3.8")
+
 # DO NOT import CUDA-dependent packages here!
 
 # --- Clone sam-3d-objects ---