cbe4f084a8be505f8473787e5fce8030a9bd0c09,nilmtk/appliancegroup.py,ApplianceGroup,__init__,#ApplianceGroup#,12

Before Change

    
    def __init__(self, appliances=None):
        self.appliances = [] if appliances is None else appliances
        if not isinstance(self.appliances, list):
            raise TypeError()

    def __getitem__(self, key):
        Get a single appliance.
        
        Three formats for `key` are accepted:

After Change

    appliances : set of Appliances
    
    def __init__(self, appliances=None):
        self.appliances = set() if appliances is None else set(appliances)

    def union(self, other):
        
        Returns

Instances