Mon Apr 08 2019 15:05:38 GMT+0800 (中国标准时间)
Error doing job: Future exception was never retrieved
Traceback (most recent call last):
File "/usr/lib/python3.5/concurrent/futures/thread.py", line 55, in run
result = self.fn(*self.args, **self.kwargs)
File "/srv/homeassistant/homeassistant_venv/lib/python3.5/site-packages/homeassistant/components/device_tracker/ping.py", line 84, in update_interval
host.update(see)
File "/srv/homeassistant/homeassistant_venv/lib/python3.5/site-packages/homeassistant/components/device_tracker/ping.py", line 61, in update
if self.ping():
File "/srv/homeassistant/homeassistant_venv/lib/python3.5/site-packages/homeassistant/components/device_tracker/ping.py", line 50, in ping
stderr=subprocess.DEVNULL)
File "/usr/lib/python3.5/subprocess.py", line 676, in __init__
restore_signals, start_new_session)
File "/usr/lib/python3.5/subprocess.py", line 1282, in _execute_child
raise child_exception_type(errno_num, err_msg)
FileNotFoundError: [Errno 2] No such file or directory: 'ping'