Revert "Revert "Remove unnecessary TException.message hack""

This reverts commit 3d9f50d61728d377951f9b6df5f19196f6b3af46.
diff --git a/lib/py/src/Thrift.py b/lib/py/src/Thrift.py
index c390cbb..ef655ea 100644
--- a/lib/py/src/Thrift.py
+++ b/lib/py/src/Thrift.py
@@ -17,8 +17,6 @@
 # under the License.
 #
 
-import sys
-
 
 class TType(object):
     STOP = 0
@@ -90,15 +88,6 @@
 class TException(Exception):
     """Base class for all thrift exceptions."""
 
-    # BaseException.message is deprecated in Python v[2.6,3.0)
-    if (2, 6, 0) <= sys.version_info < (3, 0):
-        def _get_message(self):
-            return self._message
-
-        def _set_message(self, message):
-            self._message = message
-        message = property(_get_message, _set_message)
-
     def __init__(self, message=None):
         Exception.__init__(self, message)
         self.message = message