mithermometer deadlock

2018-12-24 08:38:32 DEBUG    Connect for attrs
init _BackendConnection
2018-12-24 08:38:32 aquire lock
2018-12-24 08:38:32 lock acquired
2018-12-24 08:38:32 _backend.connect
2018-12-24 08:38:40 ERROR    status_update
Traceback (most recent call last):
  File "/bt-mqtt-gateway/workers/mithermometer.py", line 24, in status_update
    ret += self.update_device_state(name, poller)
  File "/usr/local/lib/python3.7/site-packages/interruptingcow/__init__.py", line 153, in inner
    return func(*args, **kwargs)
  File "/bt-mqtt-gateway/workers/mithermometer.py", line 38, in update_device_state
    ret.append(MqttMessage(topic=self.format_topic(name, attr), payload=poller.parameter_value(attr)))
  File "/usr/local/lib/python3.7/site-packages/mithermometer/mithermometer_poller.py", line 147, in parameter_value
    self.fill_cache()
  File "/usr/local/lib/python3.7/site-packages/mithermometer/mithermometer_poller.py", line 75, in fill_cache
    with self._bt_interface.connect(self._mac) as connection:
  File "/usr/local/lib/python3.7/site-packages/btlewrap/base.py", line 52, in __enter__
    self._backend.connect(self._mac)
  File "/usr/local/lib/python3.7/site-packages/btlewrap/bluepy.py", line 26, in _func_wrapper
    return func(*args, **kwargs)
  File "/usr/local/lib/python3.7/site-packages/btlewrap/bluepy.py", line 55, in connect
    self._peripheral = Peripheral(mac, iface=iface)
  File "/usr/local/lib/python3.7/site-packages/bluepy/btle.py", line 391, in __init__
    self._connect(deviceAddr, addrType, iface)
  File "/usr/local/lib/python3.7/site-packages/bluepy/btle.py", line 436, in _connect
    rsp = self._getResp('stat')
  File "/usr/local/lib/python3.7/site-packages/bluepy/btle.py", line 407, in _getResp
    resp = self._waitResp(wantType + ['ntfy', 'ind'], timeout)
  File "/usr/local/lib/python3.7/site-packages/bluepy/btle.py", line 347, in _waitResp
    rv = self._helper.stdout.readline()
  File "/usr/local/lib/python3.7/site-packages/interruptingcow/__init__.py", line 74, in handler
status_update
    raise exception
RuntimeError
Traceback (most recent call last):
  File "/bt-mqtt-gateway/workers/mithermometer.py", line 24, in status_update
    ret += self.update_device_state(name, poller)
  File "/usr/local/lib/python3.7/site-packages/interruptingcow/__init__.py", line 153, in inner
    return func(*args, **kwargs)
  File "/bt-mqtt-gateway/workers/mithermometer.py", line 38, in update_device_state
    ret.append(MqttMessage(topic=self.format_topic(name, attr), payload=poller.parameter_value(attr)))
  File "/usr/local/lib/python3.7/site-packages/mithermometer/mithermometer_poller.py", line 147, in parameter_value
    self.fill_cache()
  File "/usr/local/lib/python3.7/site-packages/mithermometer/mithermometer_poller.py", line 75, in fill_cache
    with self._bt_interface.connect(self._mac) as connection:
  File "/usr/local/lib/python3.7/site-packages/btlewrap/base.py", line 52, in __enter__
    self._backend.connect(self._mac)
  File "/usr/local/lib/python3.7/site-packages/btlewrap/bluepy.py", line 26, in _func_wrapper
    return func(*args, **kwargs)
  File "/usr/local/lib/python3.7/site-packages/btlewrap/bluepy.py", line 55, in connect
    self._peripheral = Peripheral(mac, iface=iface)
  File "/usr/local/lib/python3.7/site-packages/bluepy/btle.py", line 391, in __init__
    self._connect(deviceAddr, addrType, iface)
  File "/usr/local/lib/python3.7/site-packages/bluepy/btle.py", line 436, in _connect
    rsp = self._getResp('stat')
  File "/usr/local/lib/python3.7/site-packages/bluepy/btle.py", line 407, in _getResp
    resp = self._waitResp(wantType + ['ntfy', 'ind'], timeout)
  File "/usr/local/lib/python3.7/site-packages/bluepy/btle.py", line 347, in _waitResp
    rv = self._helper.stdout.readline()
  File "/usr/local/lib/python3.7/site-packages/interruptingcow/__init__.py", line 74, in handler
    raise exception
RuntimeError
2018-12-24 08:38:40 DEBUG    []
2018-12-24 08:38:52 DEBUG    Polling for attr temperature
2018-12-24 08:38:52 DEBUG    Filling cache with new sensor data.
2018-12-24 08:38:52 DEBUG    Connect for attrs
init _BackendConnection
2018-12-24 08:38:52 aquire lock
2018-12-24 08:40:32 ERROR    status_update
Traceback (most recent call last):
  File "/bt-mqtt-gateway/workers/mithermometer.py", line 24, in status_update
    ret += self.update_device_state(name, poller)
  File "/usr/local/lib/python3.7/site-packages/interruptingcow/__init__.py", line 153, in inner
    return func(*args, **kwargs)
  File "/bt-mqtt-gateway/workers/mithermometer.py", line 38, in update_device_state
    ret.append(MqttMessage(topic=self.format_topic(name, attr), payload=poller.parameter_value(attr)))
  File "/usr/local/lib/python3.7/site-packages/mithermometer/mithermometer_poller.py", line 147, in parameter_value
    self.fill_cache()
  File "/usr/local/lib/python3.7/site-packages/mithermometer/mithermometer_poller.py", line 75, in fill_cache
    with self._bt_interface.connect(self._mac) as connection:
  File "/usr/local/lib/python3.7/site-packages/btlewrap/base.py", line 47, in __enter__
    self._lock.acquire(timeout=100)
  File "/usr/local/lib/python3.7/site-packages/interruptingcow/__init__.py", line 72, in handler
    handler(*args)
  File "/usr/local/lib/python3.7/site-packages/interruptingcow/__init__.py", line 74, in handler
    raise exception
RuntimeError
status_update
Traceback (most recent call last):
  File "/bt-mqtt-gateway/workers/mithermometer.py", line 24, in status_update
    ret += self.update_device_state(name, poller)
  File "/usr/local/lib/python3.7/site-packages/interruptingcow/__init__.py", line 153, in inner
    return func(*args, **kwargs)
  File "/bt-mqtt-gateway/workers/mithermometer.py", line 38, in update_device_state
    ret.append(MqttMessage(topic=self.format_topic(name, attr), payload=poller.parameter_value(attr)))
  File "/usr/local/lib/python3.7/site-packages/mithermometer/mithermometer_poller.py", line 147, in parameter_value
    self.fill_cache()
  File "/usr/local/lib/python3.7/site-packages/mithermometer/mithermometer_poller.py", line 75, in fill_cache
    with self._bt_interface.connect(self._mac) as connection:
  File "/usr/local/lib/python3.7/site-packages/btlewrap/base.py", line 47, in __enter__
    self._lock.acquire(timeout=100)
  File "/usr/local/lib/python3.7/site-packages/interruptingcow/__init__.py", line 72, in handler
    handler(*args)
  File "/usr/local/lib/python3.7/site-packages/interruptingcow/__init__.py", line 74, in handler
    raise exception
RuntimeError
2018-12-24 08:40:32 _BackendConnection: __del__
2018-12-24 08:40:32 cleanup
2018-12-24 08:40:32 is connected?
2018-12-24 08:40:32 cleanup is connected --> disconnect
2018-12-24 08:40:32 cleanup is connected --> release