code: def test_irproplus_overfit(self):
      self.assertCanNetworkOverfit(
          partial(
              algorithms.IRPROPPlus,
              minstep=1e-5,
              step=0.05,
              maxstep=1.0,
              increase_factor=1.5,
              decrease_factor=0.5,
              verbose=False,
              show_epoch=100,
          ),
          epochs=5000,
          min_accepted_loss=0.005,
      )
  
file_path: neupy/tests/algorithms/gd/test_rprop.py
imports: import copy
  from functools import partial
  import numpy
  from neupy import algorithms, init, layers
  from neupy.layers import Input, Sigmoid
  from neupy.utils import asfloat
  from helpers import compare_networks
  from base import BaseTestCase
label_desc: Use image node_id 6 for calling the RPROPTestCase obj's underlying member method code with example usage: obj.test_irproplus_overfit() without return types