code: def read_chron(fl):
      
      indata = pd.read_csv(fl, sep=r'\s*\,\s*', index_col=None, engine='python')
      outcore = ChronRecord(age=indata['age'],
                            error=indata['error'],
                            depth=indata['depth'],
                            labid=indata['labID'])
      return outcore
docs: Create ChronRecord instance from Bacon file