trouble running latest on Ubuntu 14.04

[Chuck Tuffli <chuck tuffli net>]

Hi

Running the latest from git on Ubuntu 14.04 spews the below. Am I not
running on a supported configuration?

--chuck

$ python3 --version
Python 3.4.3
$ git log -1
commit df8bc160cae22421766177f6dac26dd574d624ad
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sat Sep 10 07:42:52 2016 +1000

    dirdiff: Fix showing identical folder message when no files were shown
$ ./bin/meld --version
Traceback (most recent call last):
  File "./bin/meld", line 258, in <module>
    import meld.meldapp
  File "/home/ctuffli/app/meld.git/meld/meldapp.py", line 365, in <module>
    from . import filediff
  File "/home/ctuffli/app/meld.git/meld/filediff.py", line 46, in <module>
    from meld.const import MODE_REPLACE, MODE_DELETE, MODE_INSERT, NEWLINES
  File "/home/ctuffli/app/meld.git/meld/const.py", line 12, in <module>
    GtkSource.NewlineType.LF: ('\n', _("UNIX (LF)")),
  File "/usr/lib/python3/dist-packages/gi/module.py", line 320, in __getattr__
    return getattr(self._introspection_module, name)
  File "/usr/lib/python3/dist-packages/gi/module.py", line 139, in __getattr__
    self.__name__, name))
AttributeError: 'gi.repository.GtkSource' object has no attribute 'NewlineType'