human
Solve the following python programming problem given the following code:
@asyncio.coroutine
def mock_async_subprocess():
assistant
#Here is the Python code you requested.

    """Get a Popen mock back.
    """
    async_popen = MagicMock()
    @asyncio.coroutine
    def communicate(input=None):
        'Communicate    mock.'
        fixture = bytes(load_fixture('alpr_stdout.txt'), 'utf-8')
        return (fixture, None)
    async_popen.communicate = communicate
    return async_popen