def is_integer(value):

    if value is None:
        return

    if not isinstance(value, int):
        return c('integer')
Set up the :class:`.WsgiHandler` the first time this
dataset/ETHPy150Open heiskr/sagefy/server/modules/validations.py/is_integer--crossover with--dataset/ETHPy150Open quantmind/pulsar/pulsar/apps/pulse/__init__.py/Wsgi.setup