I have the following simple task to check my Python version

- name: Check if Python version matches target
  commadn: "/local/python/bin/python --version"
  register: python_ver_check

- debug: var=python_ver_check

and I get

TASK [python3 : debug] 
*********************************************************
ok: [localhost] => {
    "python_ver_check": {
        "changed": true,
        "cmd": "/local/python/bin/python --version",
        "delta": "0:00:00.003369",
        "end": "2017-10-31 14:00:10.701899",
        "failed": false,
        "rc": 0,
        "start": "2017-10-31 14:00:10.698530",
        "stderr": "Python 2.7.14",
        "stderr_lines": [
            "Python 2.7.14"
        ],
        "stdout": "",
        "stdout_lines": []
    }
}


Why stderr and not stdout? The task executed with no errors.

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