code: def round_st(inputs, offset=None):
      """Straight-through round with optional quantization offset."""
      if offset is None:
          return _round_st_no_offset(inputs)
      else:
          return _round_st_offset(inputs, offset)
  
imports: import tensorflow
label_desc: Use image node_id 3 for calling a global function with example usage: round_st(inputs, offset) and returns: _round_st_no_offset, _round_st_offset