significant_change.py

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"""Helper to test significant Camera state changes."""
 
from __future__ import annotations
 
from typing import Any
 
from homeassistant.core import HomeAssistant, callback
 
 
@callback
def async_check_significant_change(
    hass: HomeAssistant,
    old_state: str,
    old_attrs: dict,
    new_state: str,
    new_attrs: dict,
    **kwargs: Any,
) -> bool | None:
    """Test if state significantly changed."""
    if old_state != new_state:
        return True
 
    return None