code: def test_failed_load_parameter_invalid_type(self):
      sigmoid = layers.Sigmoid(1, bias=None)
      network = layers.join(layers.Input(2), sigmoid)
      network.create_variables()
  
      with self.assertRaisesRegexp(
          ParameterLoaderError, "equal to None"
      ):
          load_layer_parameter(
              sigmoid,
              {
                  "parameters": {
                      "bias": {
                          "value": np.array([[0]]),
                          "trainable": True,
                      },
                  },
              },
          )
  
imports: import copy
  import numpy
  from neupy.utils import asfloat
  from neupy import layers, storage
  from neupy.storage import validate_data_structure, InvalidFormat, ParameterLoaderError, load_layer_parameter
  from base import BaseTestCase
label_desc: Use image node_id 7 for calling the DictStorageTestCase obj's underlying member method code with example usage: obj.test_failed_load_parameter_invalid_type() without return types