{
  "members": null
}

{
  "debuginfo": "Traceback (most recent call last):\n\n  File \"/octavia/lib/python2.7/site-packages/wsmeext/pecan.py\", line 85, in callfunction\n    result = f(self, *args, **kwargs)\n\n  File \"/octavia/lib/python2.7/site-packages/octavia/api/v2/controllers/member.py\", line 299, in put\n    member_count_diff = len(members) - len(old_members)\n\nTypeError: object of type 'NoneType' has no len()\n",
  "faultcode": "Server",
  "faultstring": "object of type 'NoneType' has no len()"
}