code: def _vector_element_type(dtype):
      if dtype not in _vector_types:
          raise RuntimeError(str(dtype) + " is not a vector type.")
      return _vector_types[dtype]
  
imports: from enum import Enum, unique
  import re
  from nvidia.dali._backend_enums import DALIDataType, DALIImageType, DALIInterpType
  from nvidia.dali.backend_impl.types import *
label_desc: Use image node_id 5 for calling a global function with example usage: _vector_element_type(dtype) and returns: _vector_types