def write(self, s):
        raise IncludeError, 'Includers are read-only file objects.'
Sequences are not supported
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/grizzled/grizzled/file/includer.py/Includer.write--crossover with--dataset/ETHPy150Open r4fek/django-cassandra-engine/django_cassandra_engine/base/introspection.py/CassandraDatabaseIntrospection.sequence_list