def before_insert(self, mapper, connection, instance):

        return EXT_CONTINUE
count numbers of motifs.
dataset/ETHPy150Open zzzeek/sqlalchemy/lib/sqlalchemy/orm/deprecated_interfaces.py/MapperExtension.before_insert--crossover with--dataset/ETHPy150Open CGATOxford/cgat/CGAT/Motifs.py/getCounts