Fixed #29869 -- Made UUIDField.to_python() convert integers.

django/db/models/fields/__init__.py

@@ -2319,8 +2319,9 @@ class UUIDField(Field):
 
     def to_python(self, value):
         if value is not None and not isinstance(value, uuid.UUID):
+            input_form = 'int' if isinstance(value, int) else 'hex'
             try:
-                return uuid.UUID(value)
+                return uuid.UUID(**{input_form: value})
             except (AttributeError, ValueError):
                 raise exceptions.ValidationError(
                     self.error_messages['invalid'],