import os
MIGRATION_BASE_DIR = os.path.dirname(__file__)
accept_versions = {'1.9.0', '1.10.0', '2.0.0', '2.1.0', '2.2.0', '2.3.0', '2.4.0', '2.5.0', '2.6.0', '2.7.0', '2.8.0', '2.9.0','2.10.0', '2.11.0'}