code: def _get_dtype(dtype):
      """Return np.complex128 for complex dtypes, np.float64 otherwise."""
      if cupy.issubdtype(dtype, cupy.complexfloating):
          return cupy.complex_
      else:
          return cupy.float_
  
imports: import operator
  import cupy
  from cupy._core import internal
  from cupy._core._scalar import get_typename
  from cupyx.scipy.sparse import csr_matrix
  import numpy
label_desc: Use image node_id 2 for calling a global function with example usage: _get_dtype(dtype) and returns: cupy, cupy