code: def connect(self, f, x, w, b):
      fct = self._fct_set[f.info.type_name]
      h = fct(x, w, b, **f.info.args)
      return h
  
imports: import nnabla
  import nnabla.functions
  import numpy
  from nnabla.initializer import ConstantInitializer
  from nnabla.parameter import get_parameter_or_create
  from .graph_converter import FunctionModifier
label_desc: Use image node_id 2 for calling the BatchNormBase obj's underlying member method code with example usage: obj.connect(f, x, w, b) and returns: h