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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 uninstall(pecls):
    '''
    Uninstall one or several pecl extensions.

    pecls
        The pecl extensions to uninstall.

    CLI Example:

    .. code-block:: bash

        salt '*' pecl.uninstall fuse
    '''
    if isinstance(pecls, six.string_types):
        pecls = [pecls]
    return _pecl('uninstall {0}'.format(_cmd_quote(' '.join(pecls))))