Person schema for merge_packages #21307 (#21703)

* Person schema for merge_packages #21307

* empty list

* skip empty persons

* hound

* test schema

* ensure_none

* remove any test changes

* remove_falsy validator

* nice!

* coretests

tests/helpers/test_config_validation.py

@@ -1,15 +1,15 @@
 """Test config validators."""
-from datetime import timedelta, datetime, date
+from datetime import date, datetime, timedelta
 import enum
 import os
 from socket import _GLOBAL_DEFAULT_TIMEOUT
 from unittest.mock import Mock, patch
 import uuid
 
-import homeassistant
 import pytest
 import voluptuous as vol
 
+import homeassistant
 import homeassistant.helpers.config_validation as cv
 
 
@@ -291,6 +291,11 @@ def test_time_period():
     assert -1 * timedelta(hours=1, minutes=15) == schema('-1:15')
 
 
+def test_remove_falsy():
+    """Test remove falsy."""
+    assert cv.remove_falsy([0, None, 1, "1", {}, [], ""]) == [1, "1"]
+
+
 def test_service():
     """Test service validation."""
     schema = vol.Schema(cv.service)
@@ -908,7 +913,7 @@ def test_matches_regex():
         schema("  nrtd   ")
 
     test_str = "This is a test including uiae."
-    assert (schema(test_str) == test_str)
+    assert schema(test_str) == test_str
 
 
 def test_is_regex():
@@ -982,6 +987,6 @@ def test_uuid4_hex(caplog):
         # the 17th char should be 8-a
         schema('a03d31b22eee4acc7b90eec40be6ed23')
 
-    hex = uuid.uuid4().hex
-    assert schema(hex) == hex
-    assert schema(hex.upper()) == hex
+    _hex = uuid.uuid4().hex
+    assert schema(_hex) == _hex
+    assert schema(_hex.upper()) == _hex