code: def sources_files(self):
      ret = [
          self.csrc_abs_path(fname)
          for fname in ["moe_cuda.cpp", "moe_cuda_kernel.cu"]
      ]
      return ret
  
file_path: ColossalAI/colossalai/kernel/op_builder/moe.py
imports: from .builder import Builder
  from .utils import append_nvcc_threads, get_cuda_cc_flag
label_desc: Use image node_id 3 for calling the MOEBuilder obj's underlying member method code with example usage: obj.sources_files() and returns: ret