def _set_creation_counter(self):
        self.creation_counter = Manager.creation_counter
        Manager.creation_counter += 1
Mutates categories with the tags that belong to each category.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/models/manager.py/Manager._set_creation_counter--crossover with--dataset/ETHPy150Open vim-awesome/vim-awesome/db/categories.py/_aggregate_category_tags