Unittest fail with precise 12.04

ubuntu@ubuntu:/opt/stack/nova$ ./run_tests.sh -N
/usr/lib/python2.7/dist-packages/sqlalchemy/engine/reflection.py:47: SAWarning: Did not recognize type 'BIGINT' of column 'bw_in'
  ret = fn(self, con, *args, **kw)
/usr/lib/python2.7/dist-packages/sqlalchemy/engine/reflection.py:47: SAWarning: Did not recognize type 'BIGINT' of column 'bw_out'
  ret = fn(self, con, *args, **kw)
ERROR

======================================================================
ERROR: test suite for <module 'nova.tests' from '/opt/stack/nova/nova/tests/__init__.py'>
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/nose/suite.py", line 208, in run
    self.setUp()
  File "/usr/lib/python2.7/dist-packages/nose/suite.py", line 291, in setUp
    self.setupContext(ancestor)
  File "/usr/lib/python2.7/dist-packages/nose/suite.py", line 314, in setupContext
    try_run(context, names)
  File "/usr/lib/python2.7/dist-packages/nose/util.py", line 478, in try_run
    return func()
  File "/opt/stack/nova/nova/tests/__init__.py", line 86, in setup
    migration.db_sync()
  File "/opt/stack/nova/nova/db/migration.py", line 32, in db_sync
    return IMPL.db_sync(version=version)
  File "/opt/stack/nova/nova/db/sqlalchemy/migration.py", line 79, in db_sync
    return versioning_api.upgrade(get_engine(), repository, version)
  File "/usr/lib/python2.7/dist-packages/migrate/versioning/api.py", line 186, in upgrade
    return _migrate(url, repository, version, upgrade=True, err=err, **opts)
  File "<string>", line 2, in _migrate
  File "/opt/stack/nova/nova/db/sqlalchemy/migration.py", line 44, in patched_with_engine
    return f(*a, **kw)
  File "/usr/lib/python2.7/dist-packages/migrate/versioning/api.py", line 366, in _migrate
    schema.runchange(ver, change, changeset.step)
  File "/usr/lib/python2.7/dist-packages/migrate/versioning/schema.py", line 91, in runchange
    change.run(self.engine, step)
  File "/usr/lib/python2.7/dist-packages/migrate/versioning/script/py.py", line 145, in run
    script_func(engine)
  File "/opt/stack/nova/nova/db/sqlalchemy/migrate_repo/versions/111_general_aggregates.py", line 46, in upgrade
    aggregate_hosts.drop_column('host')
  File "/usr/lib/python2.7/dist-packages/migrate/changeset/schema.py", line 445, in drop_column
    column.drop(table=self, *p, **kw)
  File "/usr/lib/python2.7/dist-packages/migrate/changeset/schema.py", line 549, in drop
    engine._run_visitor(visitorcallable, self, connection, **kwargs)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2234, in _run_visitor
    conn._run_visitor(visitorcallable, element, **kwargs)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1904, in _run_visitor
    **kwargs).traverse_single(element)
  File "/usr/lib/python2.7/dist-packages/migrate/changeset/ansisql.py", line 53, in traverse_single
    ret = super(AlterTableVisitor, self).traverse_single(elem)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/visitors.py", line 86, in traverse_single
    return meth(obj, **kw)
  File "/usr/lib/python2.7/dist-packages/migrate/changeset/databases/sqlite.py", line 90, in visit_column
    super(SQLiteColumnDropper,self).visit_column(column)
  File "/usr/lib/python2.7/dist-packages/migrate/changeset/databases/sqlite.py", line 53, in visit_column
    self.recreate_table(table,column,delta)
  File "/usr/lib/python2.7/dist-packages/migrate/changeset/databases/sqlite.py", line 40, in recreate_table
    table.create(bind=self.connection)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/schema.py", line 564, in create
    checkfirst=checkfirst)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1904, in _run_visitor
    **kwargs).traverse_single(element)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/visitors.py", line 86, in traverse_single
    return meth(obj, **kw)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/ddl.py", line 86, in visit_table
    self.connection.execute(schema.CreateTable(table))
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1405, in execute
    params)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1490, in _execute_ddl
    compiled = ddl.compile(dialect=dialect)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/expression.py", line 1722, in compile
    return self._compiler(dialect, bind=bind, **kw)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/schema.py", line 2852, in _compiler
    return dialect.ddl_compiler(dialect, self, **kw)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 699, in __init__
    self.string = self.process(self.statement)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 718, in process
    return obj._compiler_dispatch(self, **kwargs)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/visitors.py", line 59, in _compiler_dispatch
    return getter(visitor)(self, **kw)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/compiler.py", line 1386, in visit_create_table
    const = self.create_table_constraints(table)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/compiler.py", line 1406, in create_table_constraints
    for constraint in constraints
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/compiler.py", line 1404, in <genexpr>
    return ", \n\t".join(p for p in
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/compiler.py", line 1412, in <genexpr>
    not getattr(constraint, 'use_alter', False)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 718, in process
    return obj._compiler_dispatch(self, **kwargs)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/visitors.py", line 59, in _compiler_dispatch
    return getter(visitor)(self, **kw)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/dialects/sqlite/base.py", line 382, in visit_foreign_key_constraint
    return super(SQLiteDDLCompiler, self).visit_foreign_key_constraint(constraint)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/compiler.py", line 1540, in visit_foreign_key_constraint
    preparer.format_constraint(constraint)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/compiler.py", line 1833, in format_constraint
    return self.quote(constraint.name, constraint.quote)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/compiler.py", line 1805, in quote
    if self._requires_quotes(ident):
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/compiler.py", line 1786, in _requires_quotes
    lc_value = value.lower()
AttributeError: 'int' object has no attribute 'lower'

----------------------------------------------------------------------
Ran 0 tests in 0.423s

FAILED (errors=1)

Related bugs:

https://bugs.launchpad.net/glance/+bug/966243