[FIX] packaging: add missing libsass package

Since the move from less to sass, packages were broken due to a missing
dependency in setup.py.

I missed that in bf3193ac5eff049abcdf92397307b678e533233c

1 files changed, 1 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index a85c9e3fcdb..9b821868801 100644
--- a/setup.py
+++ b/setup.py
@@ -141,6 +141,7 @@ setup(
         'html2text',
         'Jinja2',
         'lxml',  # windows binary http://www.lfd.uci.edu/~gohlke/pythonlibs/
+        'libsass',
         'mako',
         'mock',
         'ofxparse',