Moved has_changed logic from widget to form field

Refs #16612. Thanks Aymeric Augustin for the suggestion.

1 files changed, 0 insertions, 8 deletions

diff --git a/django/forms/extras/widgets.py b/django/forms/extras/widgets.py
index c5ca1424c8..e939a8f665 100644
--- a/django/forms/extras/widgets.py
+++ b/django/forms/extras/widgets.py
@@ -135,11 +135,3 @@ class SelectDateWidget(Widget):
         s = Select(choices=choices)
         select_html = s.render(field % name, val, local_attrs)
         return select_html
-
-    def _has_changed(self, initial, data):
-        try:
-            input_format = get_format('DATE_INPUT_FORMATS')[0]
-            data = datetime_safe.datetime.strptime(data, input_format).date()
-        except (TypeError, ValueError):
-            pass
-        return super(SelectDateWidget, self)._has_changed(initial, data)