code: def generate_conf(self, conf: dict):
      self.conf = conf
      # set default parameters if not specified in config
      if "clientNum" not in conf.keys():
          self.conf["clientNum"] = 1
  
file_path: BigDL/python/ppml/src/bigdl/ppml/fl/nn/fl_server.py
imports: from concurrent import futures
  import grpc
  from bigdl.ppml.fl import *
  from bigdl.ppml.fl.nn.nn_service import NNServiceImpl
  import yaml
  import click
  from bigdl.ppml.fl.psi.psi_service import PSIServiceImpl
  from bigdl.ppml.fl.nn.generated.nn_service_pb2_grpc import *
  from bigdl.ppml.fl.nn.generated.psi_service_pb2_grpc import *
label_desc: Use image node_id 7 for calling the FLServer obj's underlying member method code with example usage: obj.generate_conf(conf) without return types