aws elastic web python stops ajax requests if new request is made

async function runCodes(){

    //this code its gonna run async

    ajaxCall().then((response)=>{

       if(response){

          //true

       } else {

          //false

       }

    });
    //some other codes
}
    function ajaxCall(){

      return new Promise((resolve) => {

        $.ajax({

            url: ‘/controller.php’,

            type: ‘GET’,

            dataType: “json”,

            data: {

                action: “loadPageContent”

            },

            success: function(retour) {

                localStorage.removeItem(‘myhtml’);

                if(retour.status && retour.htmlDatas){

                    storedDatas[“posts”] = retour.htmlDatas;

                    storedDatas[“date_scrapping”] = retour.date_scrapping;

                    localStorage.setItem(“myhtml”, JSON.stringify(storedDatas) ); // ¨Pour si relance
                    $(‘#container’).html(retour.htmlDatas);

                    resolve(true);
                }

                else {

                    alert(‘error’);

                    resolve(false);

                }
            },

            error: function(retour) {

                alert(‘error’);

                resolve(false);

            },

        });

      });

    }