def inc(self, key, delta=1):
        value = (self.get(key) or 0) + delta
        return value if self.set(key, value) else None
Remove an input provider.
dataset/ETHPy150Open GoogleCloudPlatform/appengine-flask-skeleton/lib/werkzeug/contrib/cache.py/BaseCache.inc--crossover with--dataset/ETHPy150Open kivy/kivy/kivy/base.py/EventLoopBase.remove_input_provider