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-rw-r--r--ishtar/furnitures/models.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/ishtar/furnitures/models.py b/ishtar/furnitures/models.py
index dc9253fdd..ffca27df0 100644
--- a/ishtar/furnitures/models.py
+++ b/ishtar/furnitures/models.py
@@ -348,8 +348,8 @@ class RemainType(GeneralType):
class Operation(BaseHistorizedItem, OwnPerms):
start_date = models.DateField(_(u"Start date"), null=True, blank=True)
end_date = models.DateField(_(u"Closing date"), null=True, blank=True)
- in_charge = models.ForeignKey('Person', related_name='+',
- verbose_name=_(u"In charge"))
+ in_charge = models.ForeignKey('Person', related_name='+', null=True,
+ blank=True, verbose_name=_(u"In charge"))
year = models.IntegerField(_(u"Year"))
operation_code = models.IntegerField(_(u"Operation code"))
associated_file = models.ForeignKey(File, related_name='+',