django-silk: Migrations not working w/ Django 1.6.11

Traceback (most recent call last):
  File "manage.py", line 13, in <module>
    execute_from_command_line(sys.argv)
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/django/core/management/__init__.py", line 399, in execute_from_command_line
    utility.execute()
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/django/core/management/__init__.py", line 392, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/django/core/management/base.py", line 242, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/django/core/management/base.py", line 285, in execute
    output = self.handle(*args, **options)
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/south/management/commands/migrate.py", line 111, in handle
    ignore_ghosts = ignore_ghosts,
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/south/migration/__init__.py", line 173, in migrate_app
    Migrations.calculate_dependencies()
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/south/migration/base.py", line 229, in calculate_dependencies
    migration.calculate_dependencies()
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/south/migration/base.py", line 363, in calculate_dependencies
    for migration in self._get_dependency_objects("depends_on"):
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/south/migration/base.py", line 343, in _get_dependency_objects
    for app, name in getattr(self.migration_class(), attrname, []):
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/south/migration/base.py", line 315, in migration_class
    return self.migration().Migration
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/south/utils/__init__.py", line 62, in method
    value = function(self)
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/south/migration/base.py", line 304, in migration
    raise exceptions.UnknownMigration(self, sys.exc_info())
south.exceptions.UnknownMigration: Migration 'silk:0001_initial' probably doesn't exist.
Traceback (most recent call last):
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/south/migration/base.py", line 302, in migration
    migration = __import__(full_name, {}, {}, ['Migration'])
  File "/Users/matthew/.virtualenvs/nauman/lib/python2.7/site-packages/silk/migrations/0001_initial.py", line 4, in <module>
    from django.db import models, migrations
ImportError: cannot import name migrations

The solution from https://github.com/django-silk/silk/issues/64 did not fix this.