manage_delProperties in ExtractionPlugin.getConfig

[bpoettinger]

manage_delProperties expects a collection of IDs but only a string is provided. Therefore an exception complaining about a non-existent property with a name of length 1 is raised when an entry is removed from the configuration:

2017-05-05 12:41:40 ERROR Zope.SiteErrorLog 1493980900.90.779300729568 ...
Traceback (innermost last):
Module ZPublisher.Publish, line 127, in publish
Module ZPublisher.BaseRequest, line 607, in traverse
Module Products.PluggableAuthService.PluggableAuthService, line 244, in validate
Module Products.PluggableAuthService.PluggableAuthService, line 605, in _extractUserIds
Module Products.AutoUserMakerPASPlugin.auth, line 542, in extractCredentials
Module Products.AutoUserMakerPASPlugin.auth, line 400, in getConfig
Module OFS.PropertyManager, line 377, in manage_delProperties
BadRequest: The property f does not exist