Prerequisites ============= PyKayacIM is compatible with both Python 2.7 and 3.x. It was tested on CPython (i.e. the regular python) 2.7.10 and 3.4.3. The package `Python-Future `_ is required by PyKayacIM. Execute ``pip install future`` to install this package using `pip `_. .. note:: To use PyKayacIM on Python <2.7 additional packages such as `argparse `_ may be necessary. To make use of PyKayacIM you should have a valid im.kayac.com account. To activate one, access the website `im.kayac.com `_ (in English) or `its Japanese version `_, and follow the instructions.