None is a valid password (i.e. it represents a reset of password).

It's job of form validation to handle this case appropriately.

bt5/erp5_authentication_policy/SkinTemplateItem/portal_skins/erp5_authentication_policy/Person_analyzePassword.xml

@@ -68,6 +68,11 @@ is_temp_object = context.isTempObject()\n
 result_code_list = []\n
 min_password_length = portal.portal_preferences.getPreferredMinPasswordLength()\n
 \n
+if password is None:\n
+  # means simply that password will be reseted in this case \n
+  # it\'s a valid value (i.e. it\'s job of form validation yo handle this in UI appropriately)\n
+  return []\n
+\n
 # not long enough\n
 if min_password_length is not None:\n
   if len(password) < min_password_length:\n

bt5/erp5_authentication_policy/bt/revision

-15
\ No newline at end of file
+16
\ No newline at end of file