Expose stateless methods for torch.cuda.HalfTensor

Author: apaszke

torch/csrc/cuda/Module.cpp

@@ -60,6 +60,7 @@ static bool THCPModule_assignStateless()
  PyObject *stateless;
  INIT_STATELESS(Double);
  INIT_STATELESS_DETAIL(Float, Cuda);
+ INIT_STATELESS(Half);
  INIT_STATELESS(Long);
  INIT_STATELESS(Int);
  INIT_STATELESS(Short);