How to use the praatio.utilities.utils.findAll function in praatio

def _parseShortTextgrid(data):
    '''
    Reads a short textgrid file
    '''
    newTG = Textgrid()
    
    intervalIndicies = [(i, True)
                        for i in utils.findAll(data, '"IntervalTier"')]
    pointIndicies = [(i, False) for i in utils.findAll(data, '"TextTier"')]
    
    indexList = intervalIndicies + pointIndicies
    indexList.append((len(data), None))  # The 'end' of the file
    indexList.sort()
    
    tupleList = [(indexList[i][0], indexList[i + 1][0], indexList[i][1])
                 for i in range(len(indexList) - 1)]
    
    # Set the textgrid's min and max times
    header = data[:tupleList[0][0]]
    headerList = header.split("\n")
    tgMin = float(headerList[3].strip())
    tgMax = float(headerList[4].strip())
    
    newTG.minTimestamp = tgMin

def _parseShortTextgrid(data):
    '''
    Reads a short textgrid file
    '''
    newTG = Textgrid()
    
    intervalIndicies = [(i, True)
                        for i in utils.findAll(data, '"IntervalTier"')]
    pointIndicies = [(i, False) for i in utils.findAll(data, '"TextTier"')]
    
    indexList = intervalIndicies + pointIndicies
    indexList.append((len(data), None))  # The 'end' of the file
    indexList.sort()
    
    tupleList = [(indexList[i][0], indexList[i + 1][0], indexList[i][1])
                 for i in range(len(indexList) - 1)]
    
    # Set the textgrid's min and max times
    header = data[:tupleList[0][0]]
    headerList = header.split("\n")
    tgMin = float(headerList[3].strip())
    tgMax = float(headerList[4].strip())
    
    newTG.minTimestamp = tgMin
    newTG.maxTimestamp = tgMax

def _findIndicies(data, keyword):
    indexList = utils.findAll(data, keyword)
    indexList = [data.rfind("\n", 0, i) for i in indexList]
    
    return indexList