code: def round_trip(writer, order="F", apply_scale=True):
      sio = BytesIO()
      arr = writer.array
      with np.errstate(invalid="ignore"):
          writer.to_fileobj(sio, order)
      data_back = array_from_file(
          arr.shape, writer.out_dtype, sio, order=order
      )
      slope, inter = get_slope_inter(writer)
      if apply_scale:
          data_back = apply_read_scaling(data_back, slope, inter)
      return data_back
  
imports: import itertools
  from io import BytesIO
  from platform import machine, python_compiler
  import numpy
  import pytest
  from numpy.testing import assert_array_almost_equal, assert_array_equal
  from ..arraywriters import ArrayWriter, ScalingError, SlopeArrayWriter, SlopeInterArrayWriter, WriterError, get_slope_inter, make_array_writer
  from ..casting import int_abs, sctypes, shared_range, type_info
  from ..testing import assert_allclose_safely, suppress_warnings
  from ..volumeutils import _dt_min_max, apply_read_scaling, array_from_file
label_desc: Use image node_id 1 for calling a global function with example usage: round_trip(writer, order, apply_scale) and returns: data_back