docker - Ansible-container setup errors -

i trying give ansible-container spin , following the official guide.

note: running docker docker toolbox in win10.

inside project folder run

$ ansible-container init ansible.django-gulp-nginx

but responds

execution failed join() takes @ least 1 argument (0 given)

if , first run ansible-container init , ansible-container install ansible.django-gulp-nginx, ok.

$ ansible-container install ansible.django-gulp-nginx attaching ansible_ansible-container_1 [36mansible-container_1  |[0m running pip install of ansible/requirements.txt [36mansible-container_1  |[0m - downloading role 'django-gulp-nginx', owned ansible [36mansible-container_1  |[0m  [warning]: ansible.django-gulp-nginx container app role , should [36mansible-container_1  |[0m installed using ansible container [36mansible-container_1  |[0m - downloading role https://github.com/ansible/django-gulp-nginx/archive/master.tar.gz [36mansible-container_1  |[0m - extracting ansible.django-gulp-nginx /tmp/tmpxz1syk/ansible.django-gulp-nginx [36mansible-container_1  |[0m - ansible.django-gulp-nginx installed [36mansible-container_1  |[0m warning: ansible.django-gulp-nginx not container enabled still added requirements.yml [36mansible_ansible-container_1 exited code 0 [0m 

but after run ansible-container build , error.

$ ansible-container build starting docker compose engine build images... execution failed yaml.scanner.scannererror: while scanning simple key   in "c:\users\wehapp~1\appdata\local\temp\tmpnhooy1\docker-compose.yml", line 28, column 3 not find expected ':'   in "c:\users\wehapp~1\appdata\local\temp\tmpnhooy1\docker-compose.yml", line 30, column 1