Python library for backtranslation
$ pip install pybacktrans
>>> from pybacktrans import BackTranslator
>>> translator = BackTranslator()
>>> result = translator.backtranslate('Good Morning', src='en', mid='fr')
>>> result
# <BackTranslated src=en, mid=fr, text=Hello>
>>> result.src_text
# 'Good Morning'
>>> result.mid_text
# 'Bonjour'
>>> result.text
# 'Hello'