code: def tlwh_to_tlbr(tlwh):
      ret = np.asarray(tlwh).copy()
      ret[2:] += ret[:2]
      return ret
  
imports: import numpy
  from collections import deque, OrderedDict
  from ..matching import jde_matching
  from ppdet.core.workspace import register, serializable
label_desc: Use image node_id 13 for calling the STrack obj's underlying member method code with example usage: obj.tlwh_to_tlbr(tlwh) and returns: ret