Database validation error - Even after manage.py flush.

So I made the ultimate error.  I put a BooleanField in my models.py, when I made migrations I set default col value to the empty string ''.. Then I migrated and got a validation error.  However, I have tried to delete the model containing BooleanField, delete my database file, and I even ran manage.py flush and cannot seem to get rid of this error.  If anyone has any experience with BooleanField errors please help.  My traceback from my terminal is below:

  Applying build_a_bundle.0012_auto_20170630_1027...Traceback (most recent call last):
  File "manage.py", line 22, in <module>
    execute_from_command_line(sys.argv)
  File "/usr/lib64/python2.7/site-packages/django/core/management/__init__.py", line 363, in execute_from_command_line
    utility.execute()
  File "/usr/lib64/python2.7/site-packages/django/core/management/__init__.py", line 355, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/lib64/python2.7/site-packages/django/core/management/base.py", line 283, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/usr/lib64/python2.7/site-packages/django/core/management/base.py", line 330, in execute
    output = self.handle(*args, **options)
  File "/usr/lib64/python2.7/site-packages/django/core/management/commands/migrate.py", line 204, in handle
    fake_initial=fake_initial,
  File "/usr/lib64/python2.7/site-packages/django/db/migrations/executor.py", line 115, in migrate
    state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial)
  File "/usr/lib64/python2.7/site-packages/django/db/migrations/executor.py", line 145, in _migrate_all_forwards
    state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
  File "/usr/lib64/python2.7/site-packages/django/db/migrations/executor.py", line 244, in apply_migration
    state = migration.apply(state, schema_editor)
  File "/usr/lib64/python2.7/site-packages/django/db/migrations/migration.py", line 129, in apply
    operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
  File "/usr/lib64/python2.7/site-packages/django/db/migrations/operations/fields.py", line 86, in database_forwards
    field,
  File "/usr/lib64/python2.7/site-packages/django/db/backends/sqlite3/schema.py", line 238, in add_field
    self._remake_table(model, create_field=field)
  File "/usr/lib64/python2.7/site-packages/django/db/backends/sqlite3/schema.py", line 113, in _remake_table
    self.effective_default(create_field)
  File "/usr/lib64/python2.7/site-packages/django/db/backends/base/schema.py", line 229, in effective_default
    default = field.get_db_prep_save(default, self.connection)
  File "/usr/lib64/python2.7/site-packages/django/db/models/fields/__init__.py", line 766, in get_db_prep_save
    prepared=False)
  File "/usr/lib64/python2.7/site-packages/django/db/models/fields/__init__.py", line 758, in get_db_prep_value
    value = self.get_prep_value(value)
  File "/usr/lib64/python2.7/site-packages/django/db/models/fields/__init__.py", line 1039, in get_prep_value
    return self.to_python(value)
  File "/usr/lib64/python2.7/site-packages/django/db/models/fields/__init__.py", line 1032, in to_python
    params={'value': value},
django.core.exceptions.ValidationError: [u"'' value must be either True or False."]

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