diff --git a/Control/AthenaCommon/python/Configurable.py b/Control/AthenaCommon/python/Configurable.py
index 67af258f09c16f14876cc9aa481c3321e20ad545..f0bd982aafe3bbd46f2ed500e75d9dd136422d7c 100755
--- a/Control/AthenaCommon/python/Configurable.py
+++ b/Control/AthenaCommon/python/Configurable.py
@@ -5,7 +5,7 @@
 # Author: Martin Woudstra (Martin.Woudstra@cern.ch)
 
 import copy, types, os, weakref,sys
-import ConfigurableMeta
+from AthenaCommon import ConfigurableMeta
 
 # Note: load iProperty etc. from GaudiPython only as-needed
 import GaudiKernel.GaudiHandles as GaudiHandles
@@ -118,7 +118,7 @@ class Configurable( object ):
             for n,v in kwargs.items():
                try:
                   setattr( conf, n, v )
-               except AttributeError, originalAttributeError:
+               except AttributeError as originalAttributeError:
                 # rather annoying that we have to be somewhat silent here (the
                 # most common cases are 'name' and user kw args to be supplied
                 # to an overridden __init__)
@@ -191,7 +191,7 @@ class Configurable( object ):
 
     # this is an abstract class
       if klass == Configurable:
-         raise TypeError, "%s is an ABC and can not be instantiated" % str(Configurable)
+         raise TypeError( "%s is an ABC and can not be instantiated" % str(Configurable))
 
     # for using this Configurable as a (Gaudi) sequence
       self.__children = []
@@ -441,8 +441,7 @@ class Configurable( object ):
     # make sure base class init has been called
       if not hasattr(self,'_fInitOk') or not self._fInitOk:
        # could check more, but this is the only explanation
-         raise TypeError, \
-            "Configurable.__init__ not called in %s override" % self.__class__.__name__
+         raise TypeError("Configurable.__init__ not called in %s override" % self.__class__.__name__)
 
     # setup self: this collects all values on the python side
       self.__setupServices()
diff --git a/Control/AthenaCommon/python/ConfigurableMeta.py b/Control/AthenaCommon/python/ConfigurableMeta.py
index cc1039c2c98eb8f8ec6a54a6eaccad87c19f3e6f..e16f4172074e74bedb1c6fb56b8bf91dfbb6ae17 100755
--- a/Control/AthenaCommon/python/ConfigurableMeta.py
+++ b/Control/AthenaCommon/python/ConfigurableMeta.py
@@ -4,7 +4,7 @@
 # Author: Wim Lavrijsen (WLavrijsen@lbl.gov)
 
 import weakref
-import Logging, PropertyProxy
+from AthenaCommon import Logging, PropertyProxy
 
 
 ### data ---------------------------------------------------------------------
@@ -49,13 +49,13 @@ class ConfigurableMeta( type ):
             try:
                f = getattr( newclass, meth ).im_func
             except AttributeError:
-               raise NotImplementedError, "%s is missing in class %s" % (meth,str(newclass))
+               raise NotImplementedError("%s is missing in class %s" % (meth,str(newclass)))
 
           # in addition, verify the number of arguments w/o defaults
             nargcount = f.func_code.co_argcount
             ndefaults = f.func_defaults and len(f.func_defaults) or 0
             if not nargcount - ndefaults <= nArgs <= nargcount:
-               raise TypeError, "%s.%s requires exactly %d arguments" % (newclass,meth,nArgs)
+               raise TypeError("%s.%s requires exactly %d arguments" % (newclass,meth,nArgs))
 
     # cache references of instances by name for duplicate removal
       newclass.configurables = weakref.WeakValueDictionary()
diff --git a/Control/AthenaCommon/python/Logging.py b/Control/AthenaCommon/python/Logging.py
index 4476ce951e94910f8a3c59e0c9287bc9511ddd87..2db86d2fb55f4b674f21fd7f01611385aaf0d9a8 100755
--- a/Control/AthenaCommon/python/Logging.py
+++ b/Control/AthenaCommon/python/Logging.py
@@ -5,7 +5,7 @@
 
 """Athena Python-side logging."""
 
-import Constants
+from AthenaCommon import Constants
 
 
 ### data _____________________________________________________________________
diff --git a/Control/AthenaCommon/python/PropertyProxy.py b/Control/AthenaCommon/python/PropertyProxy.py
index ea0d644aa55c55f9fb4e54bbefd22bc23d3f5ca6..6323ac1e4c7dd387789481af0aade7d757609019 100755
--- a/Control/AthenaCommon/python/PropertyProxy.py
+++ b/Control/AthenaCommon/python/PropertyProxy.py
@@ -233,7 +233,7 @@ class GaudiHandlePropertyProxyBase(PropertyProxy):
                   self.__set__( obj, default )
             else:
                return default
-         except AttributeError,e:
+         except AttributeError as e:
             import traceback
             traceback.print_exc()
             # change type of exception to avoid false error message
@@ -308,7 +308,7 @@ class GaudiHandlePropertyProxyBase(PropertyProxy):
             try:
                conf = self.getDefaultConfigurable(typeAndName, self.fullPropertyName(obj))
 #               print self.fullPropertyName(obj) + ": Setting default private configurable (from default handle): %r" % conf 
-            except AttributeError,e:
+            except AttributeError as e:
                # change type of exception to avoid false error message
                raise RuntimeError(*e.args)
             if conf is None: