docs: def now_by_tz(tz='US/Central', ignoretz=True):
      """Gets the current datetime object by timezone.
  
      :param tz: is the timezone to get the date for.  tz can be passed as a
          string or as a timezone object. (i.e. 'US/Central' or
          pytz.timezone('US/Central'), etc)
      :param ignoretz: will ignore the timezone portion of the datetime object and
          tzinfo will be None.
      :return: the current datetime object by tz
  
      Examples:
  
      >>> now_by_tz('US/Pacific')
      2011-09-28 10:06:01.130025
      >>> now_by_tz('US/Pacific', False)
      2011-09-28 10:06:01.130025-07:00
      >>> now_by_tz(pytz.timezone('US/Central'))
      2011-09-28 12:06:01.130025
      >>> now_by_tz(pytz.timezone('US/Central'), False)
      2011-09-28 12:06:01.130025-05:00
  
      """
      if isinstance(tz, string_types):
          tz = pytz.timezone(tz)
  
      if ignoretz:
          return datetime.now(tz).replace(tzinfo=None)
      return datetime.now(tz)