def lineLengthExceeded(self, line):
        if len(line) > self.MAX_LENGTH + 1:
            self.setLineMode(line[self.MAX_LENGTH + 1:])
calculate number of nodes
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/test/test_protocols.py/LineTester.lineLengthExceeded--crossover with--dataset/ETHPy150Open w-mg-moorhouse/PyPomVisualiser/pypomvisualiser/display/Visualiser.py/Visualiser.visualisePomStructure