code: def _scalar_str(self, formatter1, formatter2=None):
      if formatter2 is not None:
          real_str = _scalar_str(self.real, formatter1)
          imag_str = (_scalar_str(self.imag, formatter2) + "j").lstrip()
          # handles negative numbers, +0.0, -0.0
          if imag_str[0] == "+" or imag_str[0] == "-":
              return real_str + imag_str
          else:
              return real_str + "+" + imag_str
      else:
          return formatter1.format(self.item())
  
imports: import contextlib
  import dataclasses
  import math
  import textwrap
  from typing import Any, Dict, Optional
  import torch
  from torch import inf
label_desc: Use image node_id 5 for calling a global function with example usage: _scalar_str(formatter1, formatter2) and returns: formatter1, unknown, unknown