setup.py: Update install_requires

I think mistune's upcoming version 2 might be not compatible with
version 1. lpschedule-generator might not work with mistune
version 2 or greater. So, specify lower and upper bounds for the
mistune version.

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 2b3ebb7..3fc75ce 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@ config = {
     'url': 'https://notabug.org/rsd/lpschedule-generator/',
     'author': 'rsiddharth',
     'author_email': 'rsd@gnu.org',
-    'install_requires': ['mistune', 'Jinja2', 'beautifulsoup4',
+    'install_requires': ['mistune>=0.8,<1', 'Jinja2', 'beautifulsoup4',
                          'unidecode', 'icalendar', 'pytz'],
     'tests_require': ['nose', 'mock'],
     'test_suite': 'nose.collector',