class_docstr: A :class:`pyalgotrade.barfeed.csvfeed.BarFeed` that loads bars from CSV files downloaded from Google Finance.
  
  :param frequency: The frequency of the bars. Only **pyalgotrade.bar.Frequency.DAY** is currently supported.
  :param timezone: The default timezone to use to localize bars. Check :mod:`pyalgotrade.marketsession`.
  :type timezone: A pytz timezone.
  :param maxLen: The maximum number of values that the :class:`pyalgotrade.dataseries.bards.BarDataSeries` will hold.
      Once a bounded length is full, when new items are added, a corresponding number of items are discarded from the
      opposite end. If None then dataseries.DEFAULT_MAX_LEN is used.
  :type maxLen: int.
  
  .. note::
      Google Finance csv files lack timezone information.
      When working with multiple instruments:
  
          * If all the instruments loaded are in the same timezone, then the timezone parameter may not be specified.
          * If any of the instruments loaded are in different timezones, then the timezone parameter must be set.
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code: def sanitizeBars(self, sanitize):
      self.__sanitizeBars = sanitize
  
file_path: pyalgotrade/pyalgotrade/barfeed/googlefeed.py
imports: from pyalgotrade.barfeed import csvfeed
  from pyalgotrade.barfeed import common
  from pyalgotrade.utils import dt
  from pyalgotrade import bar
  import datetime
label_desc: Use image node_id 2 for calling the Feed obj's underlying member method code with example usage: obj.sanitizeBars(sanitize) without return types