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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def unload(module):
    '''
    Unload specified fault manager module

    module: string
        module to unload

    CLI Example:

    .. code-block:: bash

        salt '*' fmadm.unload software-response
    '''
    ret = {}
    fmadm = _check_fmadm()
    cmd = '{cmd} unload {module}'.format(
        cmd=fmadm,
        module=module
    )
    res = __salt__['cmd.run_all'](cmd)
    retcode = res['retcode']
    result = {}
    if retcode != 0:
        result['Error'] = res['stderr']
    else:
        result = True

    return result