Python: Accept changes in Python 2 specific six tests

We don't use a locked-down version of six, so some internal things probably
changed from the version used last time, and the versoin I have installed.

Long term fix would be to use a specific version of six for tests!

Author: RasmusWL

python/ql/test/2/library-tests/six/test.expected

@@ -1,5 +1,6 @@
 | Module six | BytesIO | class StringIO |
 | Module six | Iterator | class Iterator |
+| Module six | MAXSIZE | int() |
 | Module six | PY2 | bool True |
 | Module six | PY3 | bool False |
 | Module six | StringIO | class StringIO |
@@ -45,14 +46,6 @@
 | Module six | iterlists | Function iterlists |
 | Module six | itervalues | Function itervalues |
 | Module six | moves | Module six.moves |
-| Module six | moves.__init__ | Module six.moves.__init__ |
-| Module six | moves.urllib | Module six.moves.urllib |
-| Module six | moves.urllib.__init__ | Module six.moves.urllib.__init__ |
-| Module six | moves.urllib_error | Module six.moves.urllib_error |
-| Module six | moves.urllib_parse | Module six.moves.urllib_parse |
-| Module six | moves.urllib_request | Module six.moves.urllib_request |
-| Module six | moves.urllib_response | Module six.moves.urllib_response |
-| Module six | moves.urllib_robotparser | Module six.moves.urllib_robotparser |
 | Module six | next | Builtin-function next |
 | Module six | operator | Module operator |
 | Module six | print_ | Function print_ |
@@ -67,6 +60,7 @@
 | Module six | with_metaclass | Function with_metaclass |
 | Module six.__init__ | BytesIO | class StringIO |
 | Module six.__init__ | Iterator | class Iterator |
+| Module six.__init__ | MAXSIZE | int() |
 | Module six.__init__ | PY2 | bool True |
 | Module six.__init__ | PY3 | bool False |
 | Module six.__init__ | StringIO | class StringIO |
@@ -174,7 +168,6 @@
 | Module six.moves | tkinter_tksimpledialog | Module tkSimpleDialog |
 | Module six.moves | tkinter_ttk | Module ttk |
 | Module six.moves | urllib | Module six.moves.urllib |
-| Module six.moves | urllib.__init__ | Module six.moves.urllib.__init__ |
 | Module six.moves | urllib_error | Module six.moves.urllib_error |
 | Module six.moves | urllib_parse | Module six.moves.urllib_parse |
 | Module six.moves | urllib_request | Module six.moves.urllib_request |