[python3]: fixed UException (base on BaseException)

wrappers/python/lib/pyUniSet/pyUExceptions.py

@@ -91,7 +91,7 @@ except __builtin__.Exception:
         pass
     _newclass = 0
 
-class UException(_object):
+class UException(BaseException, _object):
     __swig_setmethods__ = {}
     __setattr__ = lambda self, name, value: _swig_setattr(self, UException, name, value)
     __swig_getmethods__ = {}
@@ -99,6 +99,7 @@ class UException(_object):
     __repr__ = _swig_repr
 
     def __init__(self, *args):
+        BaseException.__init__(self, *args)
         this = _pyUExceptions.new_UException(*args)
         try:
             self.this.append(this)

wrappers/python/tests/UConnector/testUC.py

@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 
 import sys
+import time
 
 sys.path.append('../../')
 sys.path.append('../../lib/pyUniSet/')