message: fix param server
diff: @@ -82,7 +82,7 @@ class ParameterServer(Params):
  return len(self.store)
  def __getstate__(self):
  - return self.convert_to_dict()
  + return self.ConvertToDict()
  def __setstate__(self, d):
  self.__init__(json=d)
  @@ -104,7 +104,7 @@ class ParameterServer(Params):
  return self
  def clone(self):
  - return ParameterServer(json = self.convert_to_dict())
  + return ParameterServer(json = self.ConvertToDict())
  def ConvertToDict(self, print_description=False):
  dict = {}
  @@ -240,7 +240,7 @@ class ParameterServer(Params):
  return self.GetValFromString(param_name, description, default_value, self.log_if_default)
  def GetString(self, param_name, description, default_value):
  - return self.get_val_from_string(param_name, description, default_value, self.log_if_default)
  + return self.GetValFromString(param_name, description, default_value, self.log_if_default)
  def access(self, param_name):
  return self[param_name]
  