Use new style of `required=<bool>` not `blank` or `null`

1 files changed, 3 insertions, 5 deletions

diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 6d7c5345..7daeac41 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -481,17 +481,15 @@ class ModelSerializer(Serializer):
         Creates a default instance of a basic non-relational field.
         """
         kwargs = {}
+        has_default = model_field.has_default()
 
-        kwargs['blank'] = model_field.blank
-
-        if model_field.null or model_field.blank:
+        if model_field.null or model_field.blank or has_default:
             kwargs['required'] = False
 
         if isinstance(model_field, models.AutoField) or not model_field.editable:
             kwargs['read_only'] = True
 
-        if model_field.has_default():
-            kwargs['required'] = False
+        if has_default:
             kwargs['default'] = model_field.get_default()
 
         if issubclass(model_field.__class__, models.TextField):