class_docstr: test for annotations
code: def __init__(self):
      super().__init__()
      self.relu = torch.nn.ReLU6()
  
imports: import unittest
  import functools
  import torch
  import torch.nn.functional
  from nni.common.concrete_trace_utils import concrete_trace
  from nni.compression.pruning import L1NormPruner
  from nni.compression.speedup import ModelSpeedup
  from nni.compression.utils.counter import count_flops_params
label_desc: Use image node_id 1 to create a new WithAnno2 object from inherited base classes: torch.nn with example: obj = WithAnno2()