code: def fix_sqrt(self, string):
      if "\\sqrt" not in string:
          return string
      splits = string.split("\\sqrt")
      new_string = splits[0]
      for split in splits[1:]:
          if split[0] != "{":
              a = split[0]
              new_substr = "\\sqrt{" + a + "}" + split[1:]
          else:
              new_substr = "\\sqrt" + split
          new_string += new_substr
      return new_string
  
imports: import inspect
  import lm_eval.datasets.hendrycks_math.hendrycks_math
  from lm_eval.metrics import mean
  from lm_eval.base import Task, rf
label_desc: Use image node_id 22 for calling the Math obj's underlying member method code with example usage: obj.fix_sqrt(string) and returns: new_string, string