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-rw-r--r--archaeological_finds/models_treatments.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/archaeological_finds/models_treatments.py b/archaeological_finds/models_treatments.py
index 2a19957c8..89364f0fe 100644
--- a/archaeological_finds/models_treatments.py
+++ b/archaeological_finds/models_treatments.py
@@ -957,6 +957,11 @@ class TreatmentFile(DashboardFormItem, ClosedItem, DocumentItem,
}
ALT_NAMES.update(BaseHistorizedItem.ALT_NAMES)
+ DATED_FIELDS = ['exhibition_start_date__lte',
+ 'exhibition_start_date__gte',
+ 'exhibition_end_date__lte',
+ 'exhibition_end_date__gte']
+
# fields
year = models.IntegerField(_(u"Year"), default=get_current_year)
index = models.IntegerField(_(u"Index"), default=1)