code: def partial_nested_fmt():
      ld = np.dtype("longdouble")
      partial_nested_off = 8 + 8 * (ld.alignment > 8)
      partial_ld_off = partial_ld_offset()
      partial_size = partial_ld_off + ld.itemsize
      partial_end_padding = partial_size % np.dtype("uint64").alignment
      partial_nested_size = (
          partial_nested_off * 2 + partial_size + partial_end_padding
      )
      return "{{'names':['a'],'formats':[{}],'offsets':[{}],'itemsize':{}}}".format(
          partial_dtype_fmt(), partial_nested_off, partial_nested_size
      )
  
imports: import re
  import pytest
  import env
  from pybind11_tests import numpy_dtypes
label_desc: Use image node_id 8 for calling a global function with example usage: partial_nested_fmt() and returns: str