def get_nodes():
    manager = CalendarSynchronizer()
    node_collection = manager.get_available_nodes()
    response_body = node_collection.serialize(request.accept_mimetypes)  
    return Response(response_body, mimetype=request.accept_mimetypes[0][0]) 
def get_nodes():
    manager = CalendarSynchronizer()
    node_collection = manager.get_available_nodes()
    response_body = node_collection.serialize(request.accept_mimetypes)
    return Response(response_body, mimetype=request.accept_mimetypes[0][0])