Catch connection issue with freegeoip.net (Fixes #1378)

homeassistant/util/location.py

@@ -1,7 +1,4 @@
 """
-homeassistant.util.location
-~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
 Module with location helpers.
 
 detect_location_info and elevation are mocked by default during tests.
@@ -26,8 +23,8 @@ def detect_location_info():
     try:
         raw_info = requests.get(
             'https://freegeoip.net/json/', timeout=5).json()
-    except requests.RequestException:
-        return
+    except (requests.RequestException, ValueError):
+        return None
 
     data = {key: raw_info.get(key) for key in LocationInfo._fields}