def __init__(self, location, resource_pool):
super(MemoryPackageRepository, self).__init__(location, resource_pool)<EOL>self.data = {}<EOL>self.register_resource(MemoryPackageFamilyResource)<EOL>self.register_resource(MemoryPackageResource)<EOL>self.register_resource(MemoryVariantResource)<EOL>
Create an in-memory package repository.

        Args:
            location (str): Path containing the package repository.