When creating a PatternDataSet from a file system pattern, the class will not recognise a constraint of the NOT type - eg Constraint('model', ['!ACCESS1-0']), which should be interpreted as meaning 'all models except ACCESS1-0', but instead is interpreted as a model called '!ACCESS1-0'.
When creating a PatternDataSet from a file system pattern, the class will not recognise a constraint of the NOT type - eg
Constraint('model', ['!ACCESS1-0']), which should be interpreted as meaning 'all models except ACCESS1-0', but instead is interpreted as a model called '!ACCESS1-0'.