Migrating database
DEBUG:south:south execute "SELECT COUNT(*) FROM main_pyrule WHERE name = %s" with params "['drop_event']"
DEBUG:south:south execute "INSERT INTO main_pyrule(name, interface, handler) VALUES(%s, %s, %s)" with params "['drop_event', 'IEventTrigger', 'noc.solutions.noc.default.pyrules.drop_event.drop_event']"
Running migrations for main:
 - Migrating forwards to 0054_migrate_pyrule.
 > main:0054_migrate_pyrule
Traceback (most recent call last):
  File "manage.py", line 45, in <module>
    execute_from_command_line(sys.argv)
  File "/opt/noc/lib/python2.7/site-packages/django/core/management/__init__.py", line 443, in execute_from_command_line
    utility.execute()
  File "/opt/noc/lib/python2.7/site-packages/django/core/management/__init__.py", line 382, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/opt/noc/lib/python2.7/site-packages/django/core/management/base.py", line 196, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/opt/noc/lib/python2.7/site-packages/django/core/management/base.py", line 232, in execute
    output = self.handle(*args, **options)
  File "/opt/noc/lib/python2.7/site-packages/south/management/commands/migrate.py", line 105, in handle
    ignore_ghosts = ignore_ghosts,
  File "/opt/noc/lib/python2.7/site-packages/south/migration/__init__.py", line 191, in migrate_app
    success = migrator.migrate_many(target, workplan, database)
  File "/opt/noc/lib/python2.7/site-packages/south/migration/migrators.py", line 221, in migrate_many
    result = migrator.__class__.migrate_many(migrator, target, migrations, database)
  File "/opt/noc/lib/python2.7/site-packages/south/migration/migrators.py", line 292, in migrate_many
    result = self.migrate(migration, database)
  File "/opt/noc/lib/python2.7/site-packages/south/migration/migrators.py", line 125, in migrate
    result = self.run(migration)
  File "/opt/noc/lib/python2.7/site-packages/south/migration/migrators.py", line 99, in run
    return self.run_migration(migration)
  File "/opt/noc/lib/python2.7/site-packages/south/migration/migrators.py", line 81, in run_migration
    migration_function()
  File "/opt/noc/main/migrations/0054_migrate_pyrule.py", line 44, in forwards
    name, iface, handler
  File "/opt/noc/lib/python2.7/site-packages/south/db/generic.py", line 150, in execute
    cursor.execute(sql, params)
  File "/opt/noc/lib/python2.7/site-packages/django/db/backends/postgresql_psycopg2/base.py", line 52, in execute
    return self.cursor.execute(query, args)
django.db.utils.IntegrityError: null value in column "description" violates not-null constraint
DETAIL:  Failing row contains (3, drop_event, IEventTrigger, null, null, null, noc.solutions.noc.default.pyrules.drop_event.drop_event).

upgrade-user: 42: migrate failed
Terminating