code: def _init_weights(self):
      normal_(self.fc.weight, std=0.001)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import math
  import numpy
  import paddle
  import paddle.nn
  import paddle.nn.functional
  from paddle import ParamAttr
  from paddle.nn.initializer import Normal, Constant
  from ppdet.modeling.ops import get_static_shape
  from ..initializer import normal_
  from ..assigners.utils import generate_anchors_for_grid_cell
  from ..bbox_utils import bbox_center, batch_distance2bbox, bbox2distance
  from ppdet.core.workspace import register
  from ppdet.modeling.layers import ConvNormLayer
  from .simota_head import OTAVFLHead
  from .gfl_head import Integral, GFLHead
  from ppdet.modeling.necks.csp_pan import DPModule
label_desc: Use image node_id 2 for calling the PicoSE obj's underlying member method code with example usage: obj._init_weights() without return types