Comment 1 for bug 987896

Traceback (most recent call last):
  File "/var/lib/buildbot/slaves/slave/lucid-devel/build/lib/lp/code/xmlrpc/tests/test_codehosting.py", line 233, in test_recordSuccess
    activity = self.getLastActivity('test-recordsuccess')
  File "/var/lib/buildbot/slaves/slave/lucid-devel/build/lib/lp/code/xmlrpc/tests/test_codehosting.py", line 1282, in getLastActivity
    return getUtility(IScriptActivitySet).getLastActivity(activity_name)
  File "/var/lib/buildbot/slaves/slave/lucid-devel/build/lib/lp/services/scripts/model/scriptactivity.py", line 52, in getLastActivity
    name=name, orderBy='-date_started')
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/sqlobject.py", line 365, in selectFirstBy
    return result._first()
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/sqlobject.py", line 520, in _first
    return detuplelize(self._result_set.first())
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/sqlobject.py", line 505, in _result_set
    self._finished_result_set = self._finish_result_set()
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/sqlobject.py", line 489, in _finish_result_set
    result = self._prepare_result_set()
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/sqlobject.py", line 483, in _prepare_result_set
    return store.find(find_spec, *args)
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/store.py", line 205, in find
    self.flush()
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/store.py", line 503, in flush
    self._flush_one(obj_info)
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/store.py", line 540, in _flush_one
    result = self._connection.execute(expr)
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/databases/postgres.py", line 260, in execute
    result = Connection.execute(self, Returning(statement), params)
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/database.py", line 238, in execute
    raw_cursor = self.raw_execute(statement, params)
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/databases/postgres.py", line 276, in raw_execute
    return Connection.raw_execute(self, statement, params)
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/database.py", line 322, in raw_execute
    self._check_disconnect(raw_cursor.execute, *args)
  File "/var/lib/buildbot/dependencies/eggs/storm-0.19.0.99_lpwithnodatetime_r406-py2.6-linux-i686.egg/storm/database.py", line 371, in _check_disconnect
    return function(*args, **kwargs)
  File "/var/lib/buildbot/slaves/slave/lucid-devel/build/lib/lp/testing/pgsql.py", line 121, in execute
    return self.real_cursor.execute(*args, **kwargs)
IntegrityError: duplicate key value violates unique constraint "scriptactivity_pkey"

-> bug 849056