Bug with Django migrations - migrations created with Python 2 need 'fixing' when run with Python 3

gistfile1.txt

$ mkdir bugtest
$ cd bugtest
$ virtualenv --python=python2.7 env_p27
Running virtualenv with interpreter /usr/bin/python2.7
New python executable in env_p27/bin/python2.7
Also creating executable in env_p27/bin/python
Please make sure you remove any previous custom paths from your /home/luke/.pydistutils.cfg file.
Installing setuptools, pip...done.

$ source env_p27/bin/activate
$ pip install Django==1.7.1
Downloading/unpacking Django==1.7.1
  Using download cache from /home/luke/.pip/cache/https%3A%2F%2Fpypi.python.org%2Fpackages%2Fpy2.py3%2FD%2FDjango%2FDjango-1.7.1-py2.py3-none-any.whl
Installing collected packages: Django
Successfully installed Django
Cleaning up...
$ django-admin.py startproject migrationsbug
$ cd migrationsbug
$ ./manage.py startapp test1
$ cat > test1/models.py
from django.db import models

class MyModel(models.Model):
    name = models.CharField("First Name", max_length=255, blank=True)

^D
$ perl -n -i -p -e 's/INSTALLED_APPS = \(/INSTALLED_APPS = \("test1",/' migrationsbug/settings.py
$ ./manage.py makemigrations test1
Migrations for 'test1':
  0001_initial.py:
    - Create model MyModel
$ cd ../
$ deactivate
$ virtualenv --python=python3.4 env_p34
Running virtualenv with interpreter /usr/bin/python3.4
Using base prefix '/usr'
New python executable in env_p34/bin/python3.4
Also creating executable in env_p34/bin/python
Please make sure you remove any previous custom paths from your /home/luke/.pydistutils.cfg file.
Installing setuptools, pip...done.
$ source env_p34/bin/activate
$ pip install Django==1.7.1

Downloading/unpacking Django==1.7.1
  Using download cache from /home/luke/.pip/cache/https%3A%2F%2Fpypi.python.org%2Fpackages%2Fpy2.py3%2FD%2FDjango%2FDjango-1.7.1-py2.py3-none-any.whl
Installing collected packages: Django
Successfully installed Django
Cleaning up...

$ cd migrationsbug
$./manage.py makemigrations test1
Migrations for 'test1':
  0002_auto_20141211_1527.py:
    - Alter field name on mymodel