fix since or until is empty value #4170 (#4176)

This commit is contained in:
Yongjie Zhao
2018-01-10 08:54:18 +08:00
committed by Grace Guo
parent 23c98294bd
commit e182f7f962

View File

@@ -173,8 +173,10 @@ class BaseViz(object):
self.time_shift = utils.parse_human_timedelta(time_shift)
from_dttm = utils.parse_human_datetime(since) - self.time_shift
to_dttm = utils.parse_human_datetime(until) - self.time_shift
since = utils.parse_human_datetime(since)
until = utils.parse_human_datetime(until)
from_dttm = None if since is None else (since - self.time_shift)
to_dttm = None if until is None else (until - self.time_shift)
if from_dttm and to_dttm and from_dttm > to_dttm:
raise Exception(_('From date cannot be larger than to date'))