def prepare_data(self, data, keys):
        if all(len(d) == 4 for d in data):
            clean_data = [('',) + d for d in data]
        return clean_data
Receive a message from the channel, non-blocking.
dataset/ETHPy150Open redhat-cip/edeploy/tools/grapher/models/basegraph.py/BaseGraph.prepare_data--crossover with--dataset/ETHPy150Open google/pywebsocket/mod_pywebsocket/msgutil.py/MessageReceiver.receive_nowait