class_docstr: RPN head
class_docstr_tok: ["RPN","head"]
code: def __init__(self):
      super(RPN, self).__init__()
  
file_path: gluon-cv/gluoncv/model_zoo/siamrpn/siam_rpn.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  from mxnet.gluon.block import HybridBlock
  from mxnet.gluon import nn
  from mxnet.context import cpu
label_desc: Use image node_id 1 to create a new RPN object from inherited base classes: HybridBlock with example: obj = RPN()