diff options
Diffstat (limited to 'django/db/models/sql')
| -rw-r--r-- | django/db/models/sql/compiler.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/django/db/models/sql/compiler.py b/django/db/models/sql/compiler.py index b9d25d98a1..7ddee9785c 100644 --- a/django/db/models/sql/compiler.py +++ b/django/db/models/sql/compiler.py @@ -1057,6 +1057,10 @@ class SQLDateTimeCompiler(SQLCompiler): # Datetimes are artifically returned in UTC on databases that # don't support time zone. Restore the zone used in the query. if settings.USE_TZ: + if datetime is None: + raise ValueError("Database returned an invalid value " + "in QuerySet.dates(). Are time zone " + "definitions installed?") datetime = datetime.replace(tzinfo=None) datetime = timezone.make_aware(datetime, self.query.tzinfo) yield datetime |