identities: for fields using a ChoiceWidget translate the options

authentic/identities.py

@@ -217,6 +217,16 @@ class Field:
         value = keywords.pop('value', None)
         if identity:
             value = getattr(identity, self.key, value)
+        if 'options' in keywords:
+            # translate caption
+            new_options = []
+            for p in keywords['options']:
+                if isinstance(p, (list, tuple)):
+                    p = (p[0], _(p[1]))
+                else:
+                    p = _(p)
+                new_options.append(p)
+            keywords['options'] = new_options
         if not self.read_only or admin:
             if self.multivalued:
                 keywords['render_br'] = False