incompatibility with ansible v2.2: NameError: global name 'BOOLEANS' is not defined

[juju4]

$ ansible -i inventory dltest -m apt -a "name=wget state=present" -vvvv
Loading callback plugin minimal of type stdout, v2.0 from /usr/local/lib/python2.7/dist-packages/ansible/plugins/callback/__init__.pyc
Using module file /usr/local/lib/python2.7/dist-packages/ansible/modules/core/packaging/os/apt.py
XXX exec_command: /bin/sh -c '( umask 77 && mkdir -p "` echo $HOME/.ansible/tmp/ansible-tmp-1478807384.4-192196860889135 `" && echo ansible-tmp-1478807384.4-192196860889135="` echo $HOME/.ansible/tmp/ansible-tmp-1478807384.4-192196860889135 `" ) && sleep 0'
XXX connect
[DEPRECATION WARNING]: ansible.utils.unicode.to_bytes is deprecated.  Use ansible.module_utils._text.to_bytes instead.
This feature will be removed in version 2.4. 
Deprecation warnings can be disabled by setting deprecation_warnings=False in ansible.cfg.
[DEPRECATION WARNING]: ansible.utils.unicode.to_unicode is deprecated.  Use ansible.module_utils._text.to_text instead.
This feature will be removed in version 2.4. 
Deprecation warnings can be disabled by setting deprecation_warnings=False in ansible.cfg.
<x.y.z.109> SSH: EXEC ssh -C -vvv -o ForwardAgent=yes -o 'IdentityFile="/home/user/.ssh/keys/key-201511"' -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o User=root -o ConnectTimeout=10 -tt x.y.z.109 'lxc exec dltest -- /bin/sh -c '"'"'/bin/sh -c '"'"'"'"'"'"'"'"'( umask 77 && mkdir -p "` echo $HOME/.ansible/tmp/ansible-tmp-1478807384.4-192196860889135 `" && echo ansible-tmp-1478807384.4-192196860889135="` echo $HOME/.ansible/tmp/ansible-tmp-1478807384.4-192196860889135 `" ) && sleep 0'"'"'"'"'"'"'"'"''"'"''
XXX connect
<x.y.z.109> PUT /tmp/tmpy2jk8V TO /root/.ansible/tmp/ansible-tmp-1478807384.4-192196860889135/apt.py
XXX close
An exception occurred during task execution. The full traceback is:
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/ansible/executor/task_executor.py", line 119, in run
    res = self._execute()
  File "/usr/local/lib/python2.7/dist-packages/ansible/executor/task_executor.py", line 490, in _execute
    result = self._handler.run(task_vars=variables)
  File "/usr/local/lib/python2.7/dist-packages/ansible/plugins/action/normal.py", line 33, in run
    results = merge_hash(results, self._execute_module(tmp=tmp, task_vars=task_vars))
  File "/usr/local/lib/python2.7/dist-packages/ansible/plugins/action/__init__.py", line 593, in _execute_module
    self._transfer_data(remote_module_path, module_data)
  File "/usr/local/lib/python2.7/dist-packages/ansible/plugins/action/__init__.py", line 299, in _transfer_data
    self._transfer_file(afile, remote_path)
  File "/usr/local/lib/python2.7/dist-packages/ansible/plugins/action/__init__.py", line 276, in _transfer_file
    self._connection.put_file(local_path, remote_path)
  File "/opt/tmp/vagrant/homelab/ansible-lxc-ssh/lxc_ssh.py", line 564, in put_file
    if scp_if_ssh in BOOLEANS:
NameError: global name 'BOOLEANS' is not defined

dltest | FAILED! => {
    "failed": true, 
    "msg": "Unexpected failure during module execution.", 
    "stdout": ""
}