Use deduced_required value for config.push

configsuite/config.py

@@ -89,6 +89,7 @@ def __init__(
         self._valid = True
         self._errors = ()
         self._snapshot = None
+        self._deduce_required = deduce_required
 
         self._cached_merged_config = self._build_merged_config()
         if self._readable:
@@ -158,6 +159,7 @@ def push(self, raw_config):
             layers=self._layers,
             extract_validation_context=self._extract_validation_context,
             extract_transformation_context=self._extract_transformation_context,
+            deduce_required=self._deduce_required,
         )
 
     @property

tests/test_deprecation_warning.py

@@ -79,3 +79,21 @@ def test_no_error_when_deducing_from_default(self):
             suite = configsuite.ConfigSuite({}, schema, deduce_required=True)
             self.assertTrue(suite.valid)
             self.assertEqual(0, len(wc))
+
+    def test_no_error_when_deducing_with_push(self):
+        schema = {
+            MK.Type: types.NamedDict,
+            MK.Content: {
+                "not_required": {MK.Type: types.Integer, MK.AllowNone: True},
+                "a_required_string": {MK.Type: types.String},
+            },
+        }
+        config = {"a_required_string": "a_string"}
+
+        with warnings.catch_warnings(record=True) as wc:
+            basic_config = configsuite.ConfigSuite(config, schema, deduce_required=True)
+            self.assertTrue(basic_config.valid)
+
+            basic_config = basic_config.push({"not_required": 10})
+            self.assertTrue(basic_config.valid)
+            self.assertEqual(0, len(wc))