class_docstr: Implement SoftmaxWithBias on the gpu.
code: def infer_shape(self, node, shape):
      return [shape[0]]
  
imports: from __future__ import absolute_import, print_function, division
  import numpy
  from theano import Op, Apply
  from six import StringIO
  from .basic_ops import as_gpuarray_variable, GpuKernelBase, Kernel, gpuarray_helper_inc_dir, infer_context_name
  from .type import GpuArrayType
  from .fp16_help import work_dtype, load_w, write_w
label_desc: Use image node_id 2 for calling the GpuSoftmaxWithBias obj's underlying member method code with example usage: obj.infer_shape(node, shape) and returns: list