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diff --git a/screening/sourceTest/core-plugins/SimpleImageDropboxTest/1/dss/drop-boxes/SimpleImageDropboxTest-drop-box/hcs-dropbox.py b/screening/sourceTest/core-plugins/SimpleImageDropboxTest/1/dss/drop-boxes/SimpleImageDropboxTest-drop-box/hcs-dropbox.py
index 6797bef2af7ab0d6148e7aabf88ca1a4a43ecf0b..6925fdd3bf89fd24915f42ae91064cf7f0876d67 100644
--- a/screening/sourceTest/core-plugins/SimpleImageDropboxTest/1/dss/drop-boxes/SimpleImageDropboxTest-drop-box/hcs-dropbox.py
+++ b/screening/sourceTest/core-plugins/SimpleImageDropboxTest/1/dss/drop-boxes/SimpleImageDropboxTest-drop-box/hcs-dropbox.py
@@ -1,6 +1,7 @@
 import os
-from ch.systemsx.cisd.openbis.dss.etl.dto.api.v1 import SimpleImageDataConfig
-from ch.systemsx.cisd.openbis.dss.etl.dto.api.v1 import ImageMetadata
+from ch.systemsx.cisd.openbis.dss.etl.dto.api import SimpleImageDataConfig
+from ch.systemsx.cisd.openbis.dss.etl.dto.api import ImageMetadata
+from ch.systemsx.cisd.openbis.dss.etl.dto.api import ChannelColor
 from ch.systemsx.cisd.openbis.plugin.screening.shared.api.v1.dto import Geometry
 
 SPACE_CODE = "TEST"