protobuf bug

hi.proto

syntax="proto3";

message Hi {
  repeated int32 x = 1 [packed=true];
}

hi_pb.jl

# syntax: proto3
using Compat
using ProtoBuf
import ProtoBuf.meta
import Base: hash, isequal, ==

type Hi
    x::Array{Int32,1}
    Hi(; kwargs...) = (o=new(); fillunset(o); isempty(kwargs) || ProtoBuf._protobuild(o, kwargs); o)
end #type Hi
const __pack_Hi = Symbol[:x]
meta(t::Type{Hi}) = meta(t, ProtoBuf.DEF_REQ, ProtoBuf.DEF_FNUM, ProtoBuf.DEF_VAL, true, __pack_Hi, ProtoBuf.DEF_WTYPES, ProtoBuf.DEF_ONEOFS, ProtoBuf.DEF_ONEOF_NAMES)
hash(v::Hi) = ProtoBuf.protohash(v)
isequal(v1::Hi, v2::Hi) = ProtoBuf.protoisequal(v1, v2)
==(v1::Hi, v2::Hi) = ProtoBuf.protoeq(v1, v2)

export Hi

hi_pb2.py

# Generated by the protocol buffer compiler.  DO NOT EDIT!
# source: hi.proto

import sys
_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
from google.protobuf import descriptor as _descriptor
from google.protobuf import message as _message
from google.protobuf import reflection as _reflection
from google.protobuf import symbol_database as _symbol_database
from google.protobuf import descriptor_pb2
# @@protoc_insertion_point(imports)

_sym_db = _symbol_database.Default()




DESCRIPTOR = _descriptor.FileDescriptor(
  name='hi.proto',
  package='',
  syntax='proto3',
  serialized_pb=_b('\n\x08hi.proto\"\x13\n\x02Hi\x12\r\n\x01x\x18\x01 \x03(\x05\x42\x02\x10\x01\x62\x06proto3')
)
_sym_db.RegisterFileDescriptor(DESCRIPTOR)




_HI = _descriptor.Descriptor(
  name='Hi',
  full_name='Hi',
  filename=None,
  file=DESCRIPTOR,
  containing_type=None,
  fields=[
    _descriptor.FieldDescriptor(
      name='x', full_name='Hi.x', index=0,
      number=1, type=5, cpp_type=1, label=3,
      has_default_value=False, default_value=[],
      message_type=None, enum_type=None, containing_type=None,
      is_extension=False, extension_scope=None,
      options=_descriptor._ParseOptions(descriptor_pb2.FieldOptions(), _b('\020\001'))),
  ],
  extensions=[
  ],
  nested_types=[],
  enum_types=[
  ],
  options=None,
  is_extendable=False,
  syntax='proto3',
  extension_ranges=[],
  oneofs=[
  ],
  serialized_start=12,
  serialized_end=31,
)

DESCRIPTOR.message_types_by_name['Hi'] = _HI

Hi = _reflection.GeneratedProtocolMessageType('Hi', (_message.Message,), dict(
  DESCRIPTOR = _HI,
  __module__ = 'hi_pb2'
  # @@protoc_insertion_point(class_scope:Hi)
  ))
_sym_db.RegisterMessage(Hi)


_HI.fields_by_name['x'].has_options = True
_HI.fields_by_name['x']._options = _descriptor._ParseOptions(descriptor_pb2.FieldOptions(), _b('\020\001'))
# @@protoc_insertion_point(module_scope)