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-rw-r--r--archaeological_warehouse/models.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/archaeological_warehouse/models.py b/archaeological_warehouse/models.py
index a40bfd321..5565bc504 100644
--- a/archaeological_warehouse/models.py
+++ b/archaeological_warehouse/models.py
@@ -298,7 +298,8 @@ class ContainerType(GeneralType):
width = models.IntegerField(_(u"Width (mm)"), blank=True, null=True)
height = models.IntegerField(_(u"Height (mm)"), blank=True, null=True)
volume = models.FloatField(_(u"Volume (l)"), blank=True, null=True)
- reference = models.CharField(_(u"Ref."), max_length=30)
+ reference = models.CharField(_(u"Ref."), max_length=300, blank=True,
+ null=True)
class Meta:
verbose_name = _(u"Container type")