code: def newline(self):
      self.file.write(self.newlinestr)
      self.needindent = 1
      idlecounter = self.idlecounter
      if not idlecounter % 100 and self.idlefunc is not None:
          self.idlefunc()
      self.idlecounter = idlecounter + 1
  
imports: from fontTools.misc.textTools import byteord, strjoin, tobytes, tostr
  import sys
  import os
  import string
label_desc: Use image node_id 10 for calling the XMLWriter obj's underlying member method code with example usage: obj.newline() without return types