docstr: Parameters
  ----------
  cell: str
      It must be on the format 2003_1Q --> years_4_month_periods
  
  Returns
  ----------
  date: str
      Returns date in format 2003-03-01
docstr_tok: ["Parameters","--","--","--","--","--","cell",":","str","It","must","be","on","the","format","2003_1Q","--",">","years_4_month_periods","Returns","--","--","--","--","--","date",":","str","Returns","date","in","format","2003-03-01"]
code: def format_quarter(self, cell: str):
      """
      Parameters
      ----------
      cell: str
          It must be on the format 2003_1Q --> years_4_month_periods
  
      Returns
      ----------
      date: str
          Returns date in format 2003-03-01
      """
      cell_split = cell.split("_")
      return cell_split[0] + "-" + quarter_dict[cell_split[1]]
  
imports: from functools import partial
  import sys
  from pathlib import Path
  import datetime
  import fire
  import pandas
  from tqdm import tqdm
  from loguru import logger
  from data_collector.index import IndexBase
  from data_collector.utils import get_instruments
label_desc: Use image node_id 6 for calling the IBOVIndex obj's underlying member method code with example usage: obj.format_quarter(cell) and returns: unknown