Kai Harries 3b895db614 radicale: add pytz to closure ...

Without pytz I got error messages like this in the journal:

  Dec 09 00:00:00 x radicale[8868]: ERROR:root:No module named 'pytz'

2017-12-09 17:51:13 +01:00

..

1.x.nix

radicale: 1.1.4 -> 2.1.2

2017-08-13 17:23:43 +02:00

default.nix

radicale: add pytz to closure

2017-12-09 17:51:13 +01:00