code: def ones_like(a, **kwargs):
      a = asanyarray(a)
      return a.map_blocks(np.ma.core.ones_like, **kwargs)
  
imports: from __future__ import annotations
  from functools import wraps
  import numpy
  from dask.array import chunk
  from dask.array.core import asanyarray, blockwise, elemwise, map_blocks
  from dask.array.reductions import reduction
  from dask.array.routines import _average
  from dask.array.routines import nonzero
  from dask.base import normalize_token
  from dask.utils import derived_from
label_desc: Use image node_id 20 for calling a global function with example usage: ones_like(a) and returns: a