def setEnv(self, name, value=None):
        if value is None:
            try:
                value = os.environ[name]
            except KeyError:
                raise RuntimeError("%s does not exist in current environment", name)
        self.environment[name] = value
Set an environment variable for the worker process before it is launched. The worker
dataset/ETHPy150Open BD2KGenomics/toil/src/toil/batchSystems/abstractBatchSystem.py/BatchSystemSupport.setEnv