required=False allows omission of value for output. Closes #2342

1 files changed, 2 insertions, 0 deletions

diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index aab80982..cc9410aa 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -288,6 +288,8 @@ class Field(object):
         try:
             return get_attribute(instance, self.source_attrs)
         except (KeyError, AttributeError) as exc:
+            if not self.required and self.default is empty:
+                raise SkipField()
             msg = (
                 'Got {exc_type} when attempting to get a value for field '
                 '`{field}` on serializer `{serializer}`.\nThe serializer '