class_docstr: Object to wrap field to pass to `multiprocessing.Pool`.
class_docstr_tok: ["Object","to","wrap","field","to","pass","to","`","multiprocessing.Pool","`","."]
code: def __init__(self, field, field_args):
      self.field = field
      self.field_args = field_args
  
imports: import collections
  from abc import ABC, abstractmethod
  import numpy
  from scipy._lib._util import MapWrapper
label_desc: Use image node_id 1 to create a new FieldWrapper object  with example: obj = FieldWrapper(field, field_args)