gistfile1.txt

$ python manage.py migrate
Running migrations for sprints:
 - Migrating forwards to 0005_milestone_stats_cache_default_vals.
 > sprints:0001_initial
 > sprints:0002_add_milestone
 > sprints:0003_milestone_stats
Traceback (most recent call last):
  File "manage.py", line 11, in <module>
    execute_manager(settings)
  File "/usr/lib/pymodules/python2.6/django/core/management/__init__.py", line 438, in execute_manager
    utility.execute()
  File "/usr/lib/pymodules/python2.6/django/core/management/__init__.py", line 379, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/lib/pymodules/python2.6/django/core/management/base.py", line 191, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/usr/lib/pymodules/python2.6/django/core/management/base.py", line 218, in execute
    output = self.handle(*args, **options)
  File "/home/sandy/random-code/berserk2/lib/south/management/commands/migrate.py", line 105, in handle
    ignore_ghosts = ignore_ghosts,
  File "/home/sandy/random-code/berserk2/lib/south/migration/__init__.py", line 191, in migrate_app
    success = migrator.migrate_many(target, workplan, database)
  File "/home/sandy/random-code/berserk2/lib/south/migration/migrators.py", line 221, in migrate_many
    result = migrator.__class__.migrate_many(migrator, target, migrations, database)
  File "/home/sandy/random-code/berserk2/lib/south/migration/migrators.py", line 292, in migrate_many
    result = self.migrate(migration, database)
  File "/home/sandy/random-code/berserk2/lib/south/migration/migrators.py", line 125, in migrate
    result = self.run(migration)
  File "/home/sandy/random-code/berserk2/lib/south/migration/migrators.py", line 99, in run
    return self.run_migration(migration)
  File "/home/sandy/random-code/berserk2/lib/south/migration/migrators.py", line 81, in run_migration
    migration_function()
  File "/home/sandy/random-code/berserk2/lib/south/migration/migrators.py", line 57, in <lambda>
    return (lambda: direction(orm))
  File "/home/sandy/random-code/berserk2/../berserk2/sprints/migrations/0003_milestone_stats.py", line 22, in forwards
    db.add_column('sprints_milestone', 'bug_tracker', models.ForeignKey(orm.BugTracker))
  File "/home/sandy/random-code/berserk2/lib/south/db/sqlite3.py", line 29, in add_column
    raise ValueError("You cannot add a null=False column without a default value.")
ValueError: You cannot add a null=False column without a default value.