(self, read_file)
Takes open read file as input, initializes attributes 
        of the TextGrid file.
        @type read_file: An open TextGrid file, mode "r".
        @param size:  Number of tiers.
        @param xmin: xmin.
        @param xmax: xmax.
        @param t_time:  Total time of TextGrid file.
        @param text_type:  TextGrid format.
        @type tiers:  A list of tier objects.
Takes open read file as input, initializes attributes 
        of the TextGrid file.
Takes open read file as input initializes attributes of the TextGrid file .
def __init__(self, read_file):
    """
        Takes open read file as input, initializes attributes 
        of the TextGrid file.
        @type read_file: An open TextGrid file, mode "r".
        @param size:  Number of tiers.
        @param xmin: xmin.
        @param xmax: xmax.
        @param t_time:  Total time of TextGrid file.
        @param text_type:  TextGrid format.
        @type tiers:  A list of tier objects.
        """

    self.read_file = read_file
    self.size = 0
    self.xmin = 0
    self.xmax = 0
    self.t_time = 0
    self.text_type = self._check_type()
    self.tiers = self._find_tiers()
def __init__ ( self , read_file ) : self . read_file = read_file self . size = 0 self . xmin = 0 self . xmax = 0 self . t_time = 0 self . text_type = self . _check_type ( ) self . tiers = self . _find_tiers ( )