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csv2yaml.py

import csv
import yaml

i = open('input.csv', 'r')
reader = csv.DictReader(i)

data = yaml.safe_dump([row for row in reader], canonical=False,
                      encoding='utf-8', allow_unicode=True,
                      default_flow_style=False)

o = open('output.yaml', 'w')
o.write(data)