code: def _create_remote_channels(self):
      import grpc
  
      ssl_certfile = os.getenv(AIM_CLIENT_SSL_CERTIFICATES_FILE)
      msg_max_size = int(
          os.getenv(
              AIM_RT_MAX_MESSAGE_SIZE, AIM_RT_DEFAULT_MAX_MESSAGE_SIZE
          )
      )
      options = [
          ("grpc.max_send_message_length", msg_max_size),
          ("grpc.max_receive_message_length", msg_max_size),
      ]
  
      # open a channel with router
      if ssl_certfile:
          with open(ssl_certfile, "rb") as f:
              root_certificates = grpc.ssl_channel_credentials(f.read())
          self._remote_router_channel = grpc.secure_channel(
              self.remote_path, root_certificates, options=options
          )
      else:
          self._remote_router_channel = grpc.insecure_channel(
              self.remote_path, options=options
          )
      self._remote_router_stub = (
          remote_router_pb2_grpc.RemoteRouterServiceStub(
              self._remote_router_channel
          )
      )
  
      # check client/server version compatibility
      self._check_remote_version_compatibility()
  
      # get the available worker address
      self._remote_worker_address = self._get_worker_address()
  
      # if we got the same address as the router, there's no need to open new channels
      if self._remote_worker_address == self.remote_path:
          self._remote_channel = self._remote_router_channel
  
      else:
          # open a channel with worker for further communication
          if ssl_certfile:
              self._remote_channel = grpc.secure_channel(
                  self._remote_worker_address,
                  root_certificates,
                  options=options,
              )
          else:
              self._remote_channel = grpc.insecure_channel(
                  self._remote_worker_address, options=options
              )
  
      self._remote_stub = (
          remote_tracking_pb2_grpc.RemoteTrackingServiceStub(
              self._remote_channel
          )
      )
  
imports: import logging
  import os
  import threading
  import uuid
  import weakref
  from collections import defaultdict
  from copy import deepcopy
  from typing import Tuple
  import aim.ext.transport.proto.remote_tracking_pb2
  import aim.ext.transport.proto.remote_router_pb2
  import aim.ext.transport.proto.remote_tracking_pb2_grpc
  import aim.ext.transport.proto.remote_router_pb2_grpc
  from aim.ext.transport.message_utils import pack_stream, unpack_stream, raise_exception
  from aim.ext.transport.rpc_queue import RpcQueueWithRetry
  from aim.ext.transport.heartbeat import RPCHeartbeatSender
  from aim.ext.transport.config import AIM_CLIENT_SSL_CERTIFICATES_FILE, AIM_RT_MAX_MESSAGE_SIZE, AIM_RT_DEFAULT_MAX_MESSAGE_SIZE, AIM_CLIENT_QUEUE_MAX_MEMORY
  from aim.storage.treeutils import encode_tree, decode_tree
label_desc: Use image node_id 3 for calling the Client obj's underlying member method code with example usage: obj._create_remote_channels() without return types