The code in below will integrate Sensei with the Choices theme from Krisi. Add the code below into your themes functions.php file.

krisi-choices-functions.php

/*********************
*  Sensei Integration
*********************/

/**
 * Declare that your theme now supports Sensei
 */
add_action( 'after_setup_theme', 'sensei_support' );
function sensei_support() {
    add_theme_support( 'sensei' );
}

/**
 * Remove the default Sensei wrappers
 */
global $woothemes_sensei;
remove_action( 'sensei_before_main_content', array( $woothemes_sensei->frontend, 'sensei_output_content_wrapper' ), 10 );
remove_action( 'sensei_after_main_content', array( $woothemes_sensei->frontend, 'sensei_output_content_wrapper_end' ), 10 );

/**
 * Add ChoicesTheme custom  Sensei content  wrappers
 */
add_action('sensei_before_main_content', 'choices_sensei_wrapper_start', 10);
add_action('sensei_after_main_content', 'choices_sensei_wrapper_end', 10);

function choices_sensei_wrapper_start() {
	echo get_choices_sensei_single_title();
    echo '<div class="container_wrap main_color sidebar_right">'.
			'<div class="container">'.
				'<div class="template-page content  eight alpha units">';

}

function choices_sensei_wrapper_end() {

        echo ' </div> <!-- .content -->';
        get_sidebar();
        echo'</div> <!-- end #container-->';
        echo'</div> <!-- end #container_wrap-->';
}

/**
 * remove default sensei titles
 */
remove_action( 'sensei_course_single_title', array( $woothemes_sensei->frontend , 'sensei_single_title' ), 10 );
remove_action( 'sensei_lesson_single_title', array( $woothemes_sensei->frontend , 'sensei_single_title' ), 10 );
remove_action( 'sensei_quiz_single_title', array( $woothemes_sensei->frontend, 'sensei_single_title' ), 10 );
remove_action( 'sensei_message_single_title', array( $woothemes_sensei->frontend, 'sensei_single_title' ), 10 );


function get_choices_sensei_single_title() {
    global $post;

    $title = $post->post_title;

    if( is_singular( 'sensei_message' ) ) {

        $content_post_id = get_post_meta( $post->ID, '_post', true );
        if( $content_post_id ) {
            $title = sprintf( __( 'Re: %1$s', 'woothemes-sensei' ), get_the_title( $content_post_id ) );
        } else {
            $title = get_the_title( $post->ID );
        }
    }

	$t_link = get_permalink( $post->ID ); 
	$t_sub = "";
	
	return avia_title(array('title' => $title, 'link' => $t_link, 'subtitle' => $t_sub)); 
}

/***************************
*  // END Sensei Integration
****************************/