From 6d945a745da808688965c8aa2a9044f57362ec1d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20tom=20W=C3=B6rden?= <h.tomwoerden@indiscale.com>
Date: Thu, 23 Jan 2020 13:03:54 +0100
Subject: [PATCH] FIX: added import
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Signed-off-by: Henrik tom Wörden <h.tomwoerden@indiscale.com>
---
 src/caosdb/common/models.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/caosdb/common/models.py b/src/caosdb/common/models.py
index 417d0556..f9d4f2b0 100644
--- a/src/caosdb/common/models.py
+++ b/src/caosdb/common/models.py
@@ -39,6 +39,7 @@ from tempfile import NamedTemporaryFile
 from warnings import warn
 
 from lxml import etree
+from .datatype import is_reference
 from caosdb.common.utils import uuid, xml2str
 from caosdb.configuration import get_config
 from caosdb.connection.connection import get_connection
-- 
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