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Guard against new and removed state change events (#7687)

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This commit is contained in:
Paulus Schoutsen 2017-05-21 07:41:33 -07:00 • committed by GitHub
parent 927024714b
commit 171086229a
1 changed files with 3 additions and 2 deletions
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5
homeassistant/components/automation/state.py
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@ -45,6 +45,7 @@ def async_trigger(hass, config, action):
time_delta = config.get(CONF_FOR)
async_remove_state_for_cancel = None
async_remove_state_for_listener = None
match_all = (from_state == MATCH_ALL and to_state == MATCH_ALL)
@callback
def clear_listener():
@ -77,8 +78,8 @@ def async_trigger(hass, config, action):
})
# Ignore changes to state attributes if from/to is in use
match_all = (from_state == MATCH_ALL and to_state == MATCH_ALL)
if not match_all and from_s.last_changed == to_s.last_changed:
if (not match_all and from_s is not None and to_s is not None and
from_s.last_changed == to_s.last_changed):
return
if time_delta is None: