def _guess_delimiter(self, data, delimiters):
    
    #....#

        eligible_delimiters = [chr(c) for c in range(127)] # 7-bit ASCII
        if delimiters:
            eligible_delimiters = list(set(eligible_delimiters + delimiters))

        # build frequency tables
        chunkLength = min(10, len(data))
        iteration = 0
        charFrequency = {}
        modes = {}
        delims = {}
        start, end = 0, chunkLength
        while start < len(data):
            iteration += 1
            for line in data[start:end]:
                for char in eligible_delimiters:

        ascii = [chr(c) for c in range(127)] # 7-bit ASCII

        # build frequency tables
        chunkLength = min(10, len(data))
        iteration = 0
        charFrequency = {}
        modes = {}
        delims = {}
        start, end = 0, chunkLength
        while start < len(data):
            iteration += 1
            for line in data[start:end]:
                for char in ascii: