Comment 10 for bug 1907525

Can I ask your local env info like OS and its version, if possible? The exception in the output of "tacker-db-manage --config-file /etc/tacker/tacker.conf upgrade c47a733f425a:329cd1619d41 --sql" seems weird for me, and I'd like to check if it's a bug or not.

-- Running upgrade 2c5211036579 -> d25c7c865ce8

ALTER TABLE vnf_lcm_filters MODIFY subscription_uuid VARCHAR(36) NOT NULL;

Traceback (most recent call last):
  File "/usr/local/bin/tacker-db-manage", line 10, in <module>
    sys.exit(main())
  File "/usr/local/lib/python3.6/site-packages/tacker/db/migration/cli.py", line 178, in main
    CONF.command.func(config, CONF.command.name)
  File "/usr/local/lib/python3.6/site-packages/tacker/db/migration/cli.py", line 68, in do_upgrade
    do_alembic_command(config, cmd, revision, sql=CONF.command.sql)
  File "/usr/local/lib/python3.6/site-packages/tacker/db/migration/cli.py", line 47, in do_alembic_command
    getattr(alembic_command, cmd)(config, *args, **kwargs)
  File "/usr/lib/python3.6/site-packages/alembic/command.py", line 298, in upgrade
    script.run_env()
  File "/usr/lib/python3.6/site-packages/alembic/script/base.py", line 489, in run_env
    util.load_python_file(self.dir, "env.py")
  File "/usr/lib/python3.6/site-packages/alembic/util/pyfiles.py", line 98, in load_python_file
    module = load_module_py(module_id, path)
  File "/usr/lib/python3.6/site-packages/alembic/util/compat.py", line 173, in load_module_py
    spec.loader.exec_module(module)
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/usr/local/lib/python3.6/site-packages/tacker/db/migration/alembic_migrations/env.py", line 82, in <module>
    run_migrations_offline()
  File "/usr/local/lib/python3.6/site-packages/tacker/db/migration/alembic_migrations/env.py", line 54, in run_migrations_offline
    context.run_migrations()
  File "<string>", line 8, in run_migrations
  File "/usr/lib/python3.6/site-packages/alembic/runtime/environment.py", line 846, in run_migrations
    self.get_context().run_migrations(**kw)
  File "/usr/lib/python3.6/site-packages/alembic/runtime/migration.py", line 518, in run_migrations
    step.migration_fn(**kw)
  File "/usr/local/lib/python3.6/site-packages/tacker/db/migration/alembic_migrations/versions/d25c7c865ce8_mod_vnflcm_subscription.py", line 47, in upgrade
    sa.Computed(sta_str)))
AttributeError: module 'sqlalchemy' has no attribute 'Computed'