Malte Franken 4149bd653d Fix statistics sensor honouring max_age (#27372) ...

* added update listener if max_age is set

* remove commented out code

* streamline test code

* schedule next update based on the next state to expire

* fixed update process

* isort

* fixed callback function

* fixed log message

* removed logging from test case

2020-01-09 14:03:27 +01:00

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__init__.py

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test_sensor.py

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