def copy(self):
        return Counter(self)
Checks whether column is Identity
dataset/ETHPy150Open PythonCharmers/python-future/docs/3rd-party-py3k-compat-code/pandas_py3k.py/_Counter.copy--crossover with--dataset/ETHPy150Open lionheart/django-pyodbc/django_pyodbc/introspection.py/DatabaseIntrospection._is_auto_field