Ansible 2.7 breaks include_tasks in handlers

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

guests = [
    { name: 'ansible-old', ansible_ver: '2.6.5', verbose: false },
    { name: 'ansible-new', ansible_ver: '2.7.0', verbose: true },
]

script =  <<-SCRIPT
cat << "EOF" > playbook.yml
---
- hosts: all
  tasks:
    - name: include a task from the tasks section
      include_tasks: include.yml

    - name: notify a handler
      debug:
        msg: bar
      changed_when: yes
      notify: include a task from the handlers section

  handlers:
    - name: include a task from the handlers section
      include_tasks: include.yml
EOF

cat << "EOF" > include.yml
---
- name: an included task
  debug:
    msg: foo
EOF
SCRIPT

VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|

    guests.each do |guest|

        config.vm.define guest[:name] do |machine|
            machine.vm.hostname = guest[:name]
            machine.vm.box = "bento/ubuntu-18.04"

            config.vm.provision "shell", inline: script

            machine.vm.provision "ansible_local", run: "always" do |ansible|
                ansible.install_mode = "pip"
                ansible.version = guest[:ansible_ver]
                ansible.provisioning_path = "/home/vagrant"
                ansible.playbook = "playbook.yml"
                ansible.playbook_command = "PYTHONUNBUFFERED=1 ANSIBLE_FORCE_COLOR=true ansible-playbook"
                if guest[:verbose]
                    ansible.verbose = "vvvv"
                end
            end
        end
    end
end