def preprocess(self):
tuples = CsvManager.read(self.input)
num = CsvManager.read_progress()
print num
if num == 0:
CsvManager.write_geo_codes([], self.output)
CsvManager.write_progress('0')
self.progress.set_size(len(tuples))
self.progress.update_progress(num)
Normalizer.set_tuple(num, tuples)
return tuples