Fix light template to return brightness as int (#12447)

homeassistant/components/light/template.py

@@ -237,7 +237,6 @@ class LightTemplate(Light):
     @asyncio.coroutine
     def async_update(self):
         """Update the state from the template."""
-        print("ASYNC UPDATE")
         if self._template is not None:
             try:
                 state = self._template.async_render().lower()
@@ -262,7 +261,7 @@ class LightTemplate(Light):
                 self._state = None
 
             if 0 <= int(brightness) <= 255:
-                self._brightness = brightness
+                self._brightness = int(brightness)
             else:
                 _LOGGER.error(
                     'Received invalid brightness : %s' +

tests/components/light/test_template.py

@@ -586,7 +586,7 @@ class TestTemplateLight:
         state = self.hass.states.get('light.test_template_light')
         assert state is not None
 
-        assert state.attributes.get('brightness') == '42'
+        assert state.attributes.get('brightness') == 42
 
     def test_friendly_name(self):
         """Test the accessibility of the friendly_name attribute."""