code: def _test_equal(self, format, ref):
      ret = self.parser.parse(format)
      assert_equal(ret.__dict__, ref.__dict__)
  
imports: from __future__ import division, print_function, absolute_import
  import numpy
  from numpy.testing import assert_equal
  from pytest import raises
  from scipy.io.harwell_boeing._fortran_format_parser import FortranFormatParser, IntFormat, ExpFormat, BadFortranFormat, number_digits
label_desc: Use image node_id 2 for calling the TestFortranFormatParser obj's underlying member method code with example usage: obj._test_equal(format, ref) without return types