$items['some-pretty-url'] = array(
    'title'            => 'Title',
    'page callback'    => 'drupal_get_form',
    'page arguments'   => array('import_form'),
    'access arguments' => array('access content'),
    'type'             => MENU_NORMAL_ITEM,
);

$batch  = array(
    'title'            => t('Lorem ipsum Elit pariatur Duis et elit aute.'),
    'init_message'     => t('Commencing...'),
    'operations'       => $operations,
    'progress_message' => t('Processed: @current out of @total.'),
    'error_message'    => t('An error occurred during processing.'),
    'finished'         => '_import_finished',
);

$items['some-pretty-url'] = array(
    'title'            => 'Title',
    'page callback'    => 'drupal_get_form',
    'page arguments'   => array('import_form'),
    'access arguments' => array('access content'),
    'type'             => MENU_NORMAL_ITEM,
    'file'             => 'module_definition.inc', //move module to another file
);

$batch  = array(
    'title'            => t('Lorem ipsum Elit pariatur Duis et elit aute.'),
    'init_message'     => t('Commencing...'),
    'operations'       => $operations,
    'progress_message' => t('Processed: @current out of @total.'),
    'error_message'    => t('An error occurred during processing.'),
    'finished'         => '_import_finished',
    'file'             => 'module_definition.inc', //batch functions are here
);