def set_proposal(self, value):
        if self.proposed_value is None:
            self.proposed_value = value
Gets the section from config file or raises an exception
dataset/ETHPy150Open cocagne/paxos/paxos/essential.py/Proposer.set_proposal--crossover with--dataset/ETHPy150Open conan-io/conan/conans/client/conf/__init__.py/ConanClientConfigParser.get_conf