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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 build(format='qcow2', path='/tmp/'):
    '''
    Build an image from a current system description.
    The image is a system image can be output in bootable ISO or QCOW2 formats.

    Node uses the image building library Kiwi to perform the actual build.

    Parameters:

    * **format**: Specifies output format: "qcow2" or "iso. Default: `qcow2`.
    * **path**: Specifies output path where to store built image. Default: `/tmp`.

    CLI Example:

    .. code-block:: bash

        salt myminion inspector.build
        salt myminion inspector.build format=iso path=/opt/builds/
    '''
    try:
        _("collector").Inspector(cachedir=__opts__['cachedir'],
                                 piddir=os.path.dirname(__opts__['pidfile']),
                                 pidfilename='').reuse_snapshot().build(format=format, path=path)
    except InspectorKiwiProcessorException as ex:
        raise CommandExecutionError(ex)
    except Exception as ex:
        log.error(_get_error_message(ex))
        raise Exception(ex)