code: def execute(self, charString):
      old_hints = (
          charString._hints if hasattr(charString, "_hints") else None
      )
      charString._hints = self.Hints()
  
      psCharStrings.T2WidthExtractor.execute(self, charString)
  
      hints = charString._hints
  
      if hints.has_hint or hints.has_hintmask:
          self._css.add(charString)
  
      if hints.status != 2:
          # Check from last_check, make sure we didn't have any operators.
          for i in range(
              hints.last_checked, len(charString.program) - 1
          ):
              if isinstance(charString.program[i], str):
                  hints.status = 2
                  break
              else:
                  hints.status = 1  # There's *something* here
          hints.last_checked = len(charString.program)
  
      if old_hints:
          assert hints.__dict__ == old_hints.__dict__
  
imports: from fontTools.misc import psCharStrings
  from fontTools import ttLib
  from fontTools.pens.basePen import NullPen
  from fontTools.misc.roundTools import otRound
  from fontTools.misc.loggingTools import deprecateFunction
  from fontTools.subset.util import _add_method, _uniq_sort
label_desc: Use image node_id 2 for calling the _DehintingT2Decompiler obj's underlying member method code with example usage: obj.execute(charString) without return types