old_contents: from syft.grid.grid_client import connect
  from syft.core.node.domain.domain import Domain
  from syft.core.node.device.client import DeviceClient
  from syft.grid.connections.http_connection import HTTPConnection
  from syft.grid.services.worker_management_service import CreateWorkerService
  
  node = Domain(name="om-domain")
  node.immediate_services_with_reply.append(CreateWorkerService)
  node._register_services()  # re-register all services including SignalingService
  
  try:
      node.private_device = connect(
          url="http://localhost:5000",  # Domain Address
          conn_type=HTTPConnection,  # HTTP Connection Protocol
          client_type=DeviceClient,
      )  # Device Client type
      node.in_memory_client_registry[node.private_device.device_id] = node.private_device
  except:
      pass
  
new_contents: from syft.grid.grid_client import connect
  from syft.core.node.domain.domain import Domain
  from syft.core.node.device.client import DeviceClient
  from syft.grid.connections.http_connection import HTTPConnection
  
  node = Domain(name="om-domain")
  # node.immediate_services_with_reply.append(CreateWorkerService)
  # node._register_services()  # re-register all services including SignalingService
  
  try:
      node.private_device = connect(
          url="http://localhost:5000",  # Domain Address
          conn_type=HTTPConnection,  # HTTP Connection Protocol
          client_type=DeviceClient,
      )  # Device Client type
      node.in_memory_client_registry[node.private_device.device_id] = node.private_device
  except:
      pass
  
subject: Remove unused import