message: update sys.maxint to 1 in grpc_wrapper.py
diff: @@ -169,7 +169,7 @@ class TensorBoardDebugWrapperSession(GrpcDebugWrapperSession):
  # Keeps track of the latest version of Python graph object that has been
  # sent to the debug servers.
  - self._sent_graph_version = -sys.maxint
  + self._sent_graph_version = -1
  def run(self,
  fetches,
  