Update QNAP lib to 0.2.6; handle null temps gracefully (#14117)

There's one particular QNAP model which sometimes return empty/null temperatures
for certain disks. This commit ensures that this model can be integrated with HASS
without causing KeyErrors or other exceptions - if this edge case is hit, the
sensor will simply show `0` instead.

homeassistant/components/sensor/qnap.py

@@ -17,7 +17,7 @@ from homeassistant.const import (
 from homeassistant.util import Throttle
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['qnapstats==0.2.5']
+REQUIREMENTS = ['qnapstats==0.2.6']
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -352,7 +352,7 @@ class QNAPDriveSensor(QNAPSensor):
             return data['health']
 
         if self.var_id == 'drive_temp':
-            return int(data['temp_c'])
+            return int(data['temp_c']) if data['temp_c'] is not None else 0
 
     @property
     def name(self):

requirements_all.txt

@@ -1099,7 +1099,7 @@ pyxeoma==1.4.0
 pyzabbix==0.7.4
 
 # homeassistant.components.sensor.qnap
-qnapstats==0.2.5
+qnapstats==0.2.6
 
 # homeassistant.components.switch.rachio
 rachiopy==0.1.2