woothemes / sensei

					$grade_total = Sensei_Grading::get_lessons_users_grades_sum( $item->ID );

                    $lesson_average_grade = 0;

                    if( $grade_total > 0 && $grade_count > 0 ){

                        $lesson_average_grade = abs( round( doubleval( $grade_total / $grade_count ), 2 ) );

                    }

                }

				// Output lesson data

				$grade_total = Sensei_Grading::get_user_graded_lessons_sum( $item->ID );

                $user_average_grade = 0;

                if( $grade_total > 0 && $grade_count > 0 ){

                    $user_average_grade = abs( round( doubleval( $grade_total / $grade_count ), 2 ) );

                }

				// Output the users data

				if ( $this->csv_output ) {