Port to Python 3.

src/allmydata/test/mutable/test_datahandle.py

@@ -1,3 +1,15 @@
+"""
+Ported to Python 3.
+"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
+from future.utils import PY2
+if PY2:
+    from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min  # noqa: F401
+
 from twisted.trial import unittest
 from allmydata.mutable.publish import MutableData
 

src/allmydata/util/_python3.py

@@ -89,6 +89,7 @@ PORTED_MODULES = [
 ]
 
 PORTED_TEST_MODULES = [
+    "allmydata.test.mutable.test_datahandle",
     "allmydata.test.test_abbreviate",
     "allmydata.test.test_base32",
     "allmydata.test.test_base62",