trivial: fix len-as-condition pylint warning (#52732)

pylint.rc

@@ -21,7 +21,6 @@ disable=
     inconsistent-return-statements,
     invalid-name,
     keyword-arg-before-vararg,
-    len-as-condition,
     missing-class-docstring,
     missing-function-docstring,
     missing-module-docstring,

wcs/admin/users.py

@@ -60,7 +60,7 @@ class UserUI:
             form.add(CheckboxWidget, 'is_admin', title=_('Administrator Account'), value=self.user.is_admin)
 
         roles = list(get_publisher().role_class.select(order_by='name'))
-        if len(roles) and not is_idp_managing_user_roles():
+        if roles and not is_idp_managing_user_roles():
             form.add(
                 WidgetList,
                 'roles',

wcs/forms/common.py

@@ -524,7 +524,7 @@ class FormStatusPage(Directory, FormTemplateMixin):
         if not backoffice_fields:
             return
         content = self.display_fields(backoffice_fields, include_unset_required_fields=True)
-        if not len(content):
+        if not content:
             return
         r = TemplateIO(html=True)
         r += htmltext('<div class="section foldable">')