When trying to create the caissedepargne backend on macOS 10.12.6 facing the following issue :

Select a backend to create (q to stop): 20
2018-01-04 18:53:00,849:ERROR:modules:1.3:modules.py:155:load_module No module named unidecode
Traceback (most recent call last):
  File "/usr/local/Cellar/weboob/1.3_1/libexec/lib/python2.7/site-packages/weboob/core/modules.py", line 149, in load_module
    module = LoadedModule(imp.load_module(module_name, fp, pathname, description))
  File "/Users/frederic/.local/share/weboob/modules/1.3/caissedepargne/__init__.py", line 21, in <module>
    from .module import CaisseEpargneModule
  File "/Users/frederic/.local/share/weboob/modules/1.3/caissedepargne/module.py", line 24, in <module>
    from .compat.bank import CapBankWealth, CapBankTransferAddRecipient, AccountNotFound, Account, RecipientNotFound
  File "/Users/frederic/.local/share/weboob/modules/1.3/caissedepargne/compat/bank.py", line 24, in <module>
    from unidecode import unidecode
ImportError: No module named unidecode
Unable to load module "caissedepargne": No module named unidecode
2018-01-04 18:53:00,950:INFO:root:1.3:base.py:260:load_backends No backend loaded

Thanks