docstr: normalize data
  
  Parameters
  ----------
  date_field_name: str
      date field name, default date
  symbol_field_name: str
      symbol field name, default symbol
  
  Examples
  ---------
      $ python collector.py normalize_data --source_dir ~/.qlib/crypto_data/source/1d --normalize_dir ~/.qlib/crypto_data/source/1d_nor --interval 1d --date_field_name date
docstr_tok: ["normalize","data","Parameters","--","--","--","--","--","date_field_name",":","str","date","field","name",",","default","date","symbol_field_name",":","str","symbol","field","name",",","default","symbol","Examples","--","--","--","--","-","$","python","collector.py","normalize_data","--","source_dir","~\/.qlib\/crypto_data\/source\/1d","--","normalize_dir","~\/.qlib\/crypto_data\/source\/1d_nor","--","interval","1d","--","date_field_name","date"]
code: def normalize_data(
      self,
      date_field_name: str = "date",
      symbol_field_name: str = "symbol",
  ):
      """normalize data
  
      Parameters
      ----------
      date_field_name: str
          date field name, default date
      symbol_field_name: str
          symbol field name, default symbol
  
      Examples
      ---------
          $ python collector.py normalize_data --source_dir ~/.qlib/crypto_data/source/1d --normalize_dir ~/.qlib/crypto_data/source/1d_nor --interval 1d --date_field_name date
      """
      super(Run, self).normalize_data(
          date_field_name, symbol_field_name
      )
  
imports: import abc
  import sys
  import datetime
  from abc import ABC
  from pathlib import Path
  import fire
  import pandas
  from loguru import logger
  from dateutil.tz import tzlocal
  from data_collector.base import BaseCollector, BaseNormalize, BaseRun
  from data_collector.utils import deco_retry
  from pycoingecko import CoinGeckoAPI
  from time import mktime
  from datetime import datetime
  import time
label_desc: Use image node_id 6 for calling the Run obj's underlying member method code with example usage: obj.normalize_data(date_field_name, symbol_field_name) without return types