Catch an extra error that could break util.convert

homeassistant/util/__init__.py

@@ -57,7 +57,7 @@ def convert(value, to_type, default=None):
     """ Converts value to to_type, returns default if fails. """
     try:
         return default if value is None else to_type(value)
-    except ValueError:
+    except (ValueError, TypeError):
         # If value could not be converted
         return default
 

tests/util/test_init.py

@@ -53,6 +53,7 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(True, util.convert("True", bool))
         self.assertEqual(1, util.convert("NOT A NUMBER", int, 1))
         self.assertEqual(1, util.convert(None, int, 1))
+        self.assertEqual(1, util.convert(object, int, 1))
 
     def test_ensure_unique_string(self):
         """ Test ensure_unique_string. """