Before importing activity csv from lotw empty the table

application/controllers/Lotw.php

@@ -301,6 +301,8 @@ class Lotw extends CI_Controller {
 		set_time_limit(0);
 		$this->load->model('lotw_user');
 
+		$this->lotw_user->empty_table();
+
 		$row = 1;
 		if (($handle = fopen("https://lotw.arrl.org/lotw-user-activity.csv", "r")) !== FALSE) {
 		    while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {

application/models/Lotw_user.php

@@ -9,8 +9,8 @@ class Lotw_user extends CI_Model {
 	}
 
 	
-	function empty_table($table) {
+	function empty_table() {
-		$this->db->empty_table($table); 
+		$this->db->empty_table('lotw_userlist'); 
 	}
 
 	function add_lotwuser($callsign, $date) {