SW-699: fixed imports

LTA/LTAIngest/LTAIngestServer/LTAIngestTransferServer/test/t_ingestpipeline.py

@@ -15,7 +15,8 @@ if call(['ssh', '-o', 'PasswordAuthentication=no', '-o', 'PubkeyAuthentication=y
     print('this test depends on keybased ssh login to localhost, which is not setup correctly. skipping test...')
     exit(3)
 
-from lofar.messaging import TemporaryExchange, MessageLogger
+from lofar.messaging import TemporaryExchange
+from lofar.messaging.messagelogger import MessageLogger
 
 testname = 't_ingestpipeline_%s' % uuid.uuid1()