{
  "variables": {
    "local_iso_path": "iso/debian-8.5.0-amd64-netinst.iso",
    "remote_iso_path": "http://debian-iso.mirror.anlx.net/8.5.0/amd64/iso-cd/debian-8.5.0-amd64-netinst.iso",
    "memory": "512",
    "cores": 1,
    "disk_size": "16384"
  },

  "builders": [],

  "provisioners": [],

  "post-processors": []
}

{
  "variables": {
    "local_iso_path": "iso/debian-8.5.0-amd64-netinst.iso",
    "remote_iso_path": "http://debian-iso.mirror.anlx.net/8.5.0/amd64/iso-cd/debian-8.5.0-amd64-netinst.iso",
    "memory": "512",
    "cores": "1",
    "disk_size": "16384"
  },

  "builders": [],

  "provisioners": [],

  "post-processors": []
}

Fix cores property variable type error
Fix cores property variable type error
