diff --git a/Common/Servers/PyCalmux/src/Calmux/PyCalmuxImpl.py b/Common/Servers/PyCalmux/src/Calmux/PyCalmuxImpl.py
index 099156d308a930edcd3e1683841c90fcba2a2449..389f52ab9395154be85281f1fc0add094debe611 100644
--- a/Common/Servers/PyCalmux/src/Calmux/PyCalmuxImpl.py
+++ b/Common/Servers/PyCalmux/src/Calmux/PyCalmuxImpl.py
@@ -197,8 +197,7 @@ class PyCalmuxImpl(CalMux, cc, services, lcycle):
             raise exc
 
         try:
-            children = ElementTree.fromstring(dao).getchildren()
-            for child in children:
+            for child in list(ElementTree.fromstring(dao)):
                 backend, channel, polarity = [c.text.strip() for c in child]
                 backend = backend.lower()
                 value = (int(channel), int(polarity))
diff --git a/Common/Servers/PyDewarPositioner/src/DewarPositioner/cdbconf.py b/Common/Servers/PyDewarPositioner/src/DewarPositioner/cdbconf.py
index e0c3ec63b983c63923eca0f02dcbcb987b1db442..e31369e9e86584e7d20a6b071cfb23a9306d7c7d 100644
--- a/Common/Servers/PyDewarPositioner/src/DewarPositioner/cdbconf.py
+++ b/Common/Servers/PyDewarPositioner/src/DewarPositioner/cdbconf.py
@@ -210,7 +210,7 @@ class CDBConf(object):
         try:
             dal = ACSCorba.cdb()
             dao = dal.get_DAO(path)
-            children = ElementTree.fromstring(dao).getchildren()
+            children = list(ElementTree.fromstring(dao))
         except cdbErrType.CDBRecordDoesNotExistEx:
             raeson = "CDB record %s does not exists" %path
             logger.logError(raeson)
@@ -218,7 +218,7 @@ class CDBConf(object):
             exc.setReason(raeson)
             raise exc
         except Exception as ex:
-            children = () 
+            children = []
 
         setattr(self, dictName, {})
         d = getattr(self, dictName)
diff --git a/Common/Tests/test/cdb/test_procedures.py b/Common/Tests/test/cdb/test_procedures.py
index fa6c6b3fdc8391d56f396afce310150e337cb94e..6906675523fd916673ec41c680382d2b90d491ec 100644
--- a/Common/Tests/test/cdb/test_procedures.py
+++ b/Common/Tests/test/cdb/test_procedures.py
@@ -7,7 +7,7 @@ class TestProcedures(unittest.TestCase):
     def setUp(self):
         dal = ACSCorba.cdb()
         dao = dal.get_DAO('alma/Procedures/StationProcedures')
-        self.procedures = ElementTree.fromstring(dao).getchildren()
+        self.procedures = list(ElementTree.fromstring(dao))
 
     def test_reset_not_allowed_in_setup(self):
         """Vefify the setup does not execute the antennaReset command"""
diff --git a/SRT/Servers/SRTPyIFDistributor14/src/IFDistributor14/SRTIFDistributor14Impl.py b/SRT/Servers/SRTPyIFDistributor14/src/IFDistributor14/SRTIFDistributor14Impl.py
index c292225d7072bd9f26e3ca8498231a108e397bce..f5ffae43697a082490663dc483e73d820a1f5a7d 100644
--- a/SRT/Servers/SRTPyIFDistributor14/src/IFDistributor14/SRTIFDistributor14Impl.py
+++ b/SRT/Servers/SRTPyIFDistributor14/src/IFDistributor14/SRTIFDistributor14Impl.py
@@ -210,8 +210,7 @@ class SRTIFDistributor14Impl(SRTIFDistributor14, cc, services, lcycle):
             raise exc
 
         try:
-            children = ElementTree.fromstring(dao).getchildren()
-            for child in children:
+            for child in list(ElementTree.fromstring(dao))
                 backend, channel, address = [c.text.strip() for c in child]
                 value = {int(channel): int(address)}
                 if backend in self.mapping: