message: fix long() incompatible in Py3
diff: @@ -23,7 +23,7 @@ import socket
  from .channel import ChannelDataErrcode
  from .proto import pipeline_service_pb2
  from .proto import pipeline_service_pb2_grpc
  -
  +import six
  _LOGGER = logging.getLogger(__name__)
  @@ -53,7 +53,10 @@ class PipelineClient(object):
  if logid is None:
  req.logid = 0
  else:
  + if six.PY2:
  req.logid = long(logid)
  + elif six.PY3:
  + req.logid = int(log_id)
  feed_dict.pop("logid")
  clientip = feed_dict.get("clientip")
  