import csv
class CsvWordReplacer(WordReplacer):
    def __init__(self, fname):
        word_map = {}
        for line in csv.reader(open(fname)):
            word, syn = line
            word_map[word] = syn
            super(CsvWordReplacer, self).__init__(word_map)
replacer = CsvWordReplacer('synonyms.csv')
a=replacer.replace('bday')

pip install --user pycsv

Traceback (most recent call last):
      File "<string>", line 1, in <module>
        long_description=io.open("history.md", encoding='utf8').read(),
    FileNotFoundError: [Errno 2] No such file or directory: 'history.md'
----------------------------------------