missing await (#33)

Author: DerThorsten

src/post.js

@@ -399,6 +399,9 @@ async function _call_user_code(context, code) {
             let result = result_holder[0];
             data = Module["ijs"]["get_mime_bundle"](result);
         }
+        else{
+            await result_promise;
+        }
 
         return {
             has_error: false,

src/xinterpreter.cpp

@@ -32,7 +32,7 @@ namespace xeus_javascript
 {
     interpreter::interpreter()
     {
-        std::cout<<"build #210"<<std::endl;
+        std::cout<<"build #213"<<std::endl;
         xeus::register_interpreter(this);
     }