one more python2 hack, renenable event testing

opcua/uatypes.py

@@ -137,9 +137,6 @@ def unpack_uatype_array(uatype, data):
             result.append(unpack_uatype(uatype, data))
         return result
 
-
-
-
 def pack_string(string):
     length = len(string)
     if length == 0:
@@ -158,7 +155,8 @@ def unpack_bytes(data):
 
 def unpack_string(data):
     b = unpack_bytes(data)
-    #return str(b, "utf-8")
+    if sys.version_info.major < 3:
+        return str(b)
     return b.decode("utf-8")
 
 def test_bit(data, offset):

tests.py

@@ -48,7 +48,7 @@ class MySubHandler():
         self.future.set_result((handle, node, val, attr))
 
     def event(self, handle, event):
-        self.future.set_result((handle, node, val, attr))
+        self.future.set_result((handle, event))
 
 
 class Unit(unittest.TestCase):
@@ -273,7 +273,7 @@ class CommonTests(object):
         sub.unsubscribe(handle)
         sub.delete()
 
-    def _test_events(self):
+    def test_events(self):
         msclt = MySubHandler()
         #cond = msclt.setup()
         sub = self.opc.create_subscription(100, msclt)