DO NOT change the names of the function (get_cheapest_hotel) or of the file and folder it is in, changing it implies in disqualification.
Ensure that you have Python 3 installed and that your PIP installation points to it
To install the required modules:
$ pip install -r requirements.txt
or
$ pip3 install -r requirements.txt
To run the (failing) test:
$ py.test
After implementing your solution, it should pass the unit tests available.