update

conda/pytorch-spline-conv/bld.bat

+"%PYTHON%" -m pip install --verbose .
+if errorlevel 1 exit 1

conda/pytorch-spline-conv/build.sh

+$PYTHON -m pip install .

conda/pytorch-spline-conv/meta.yaml

@@ -22,10 +22,10 @@ requirements:
 
 build:
   string: py{{ environ.get('PYTHON_VERSION').replace('.', '') }}_torch_{{ environ['TORCH_VERSION'] }}_{{ environ['CUDA_VERSION'] }}
-  script: pip install  --verbose .
   script_env:
     - FORCE_CUDA
     - TORCH_CUDA_ARCH_LIST
+  preserve_egg_dir: True
 
 test:
   imports: