.env file with variable containing backward slash '' does not load properly,
For example, .env file with
test=hi\hello

and in python,

>>> from dotenv import load_dotenv
>>> load_dotenv()
True
>>> import os
>>> print os.getenv('test')
hi\\hello
>>> print repr(os.getenv('test'))
u'hi\\\\hello'

python-dotenv: 0.8.1
windows: 10
python: 2.7.14