Fix AttributeError traceback with darksky (#22101)

* Update darksky.py * fixes
2019-03-17 11:06:40 +00:00 · 2019-03-17 11:06:40 +00:00 · 9b1491a98d
commit 9b1491a98d
parent 1aab551eed
1 changed files with 2 additions and 0 deletions
--- a/homeassistant/components/weather/darksky.py
+++ b/homeassistant/components/weather/darksky.py
@ -232,4 +232,6 @@ class DarkSkyData:
    @property
    def units(self):
        """Get the unit system of returned data."""
+        if self.data is None:
+            return None
        return self.data.json.get('flags').get('units')