SlugField: Leave empty slug if blank=True.

CHANGES

@@ -1,3 +1,7 @@
+0.2.24 2019-03-18
+- SlugField: Leave empty slug if blank=True.
+- SlugField: Don't force None to "none" string.
+
 0.2.23 2019-03-18
 - lang_suffix: 'field_name' paramter instead of 'fieldname'.
 

shared/utils/models/slugs.py

@@ -66,7 +66,7 @@ class AutoSlugField(django_fields.SlugField):
                     if callable(value):
                         value = value()
         value = self.slugify(value)
-        if not value:
+        if not value and not self.blank:
             value = model_instance._meta.model_name
         if self.unique_slug:
             # TODO Move import to top of file once AutoSlugField is removed from shared.utils.fields and we no longer have a circular import