code: def _remove_punc(self, text):
      exclude = set(string.punctuation)
      if not self._is_number(text):
          return "".join(ch for ch in text if ch not in exclude)
      else:
          return text
  
imports: import inspect
  import numpy
  import re
  import string
  import lm_eval.datasets.drop.drop
  from scipy.optimize import linear_sum_assignment
  from lm_eval.base import Task, rf
  from lm_eval.metrics import mean
label_desc: Use image node_id 23 for calling the DROP obj's underlying member method code with example usage: obj._remove_punc(text) and returns: str, text