def __init__(self):
    self.__previous_instances = []
Called when the Connection needs a certificate for the remotely provided server_cert.
dataset/ETHPy150Open viewfinderco/viewfinder/backend/base/context_local.py/ContextLocal.__init__--crossover with--dataset/ETHPy150Open google/nogotofail/nogotofail/mitm/connection/handlers/base.py/BaseConnectionHandler.on_certificate