fix error when trying to output to non existing element

pyscriptjs/src/components/pyrepl.ts

@@ -188,7 +188,7 @@ export class PyRepl extends BaseEvalElement {
           this.errorElement = this.outputElement;
         }
       }
-  
+
 
       this.appendChild(mainDiv);      
       this.editor.focus();

pyscriptjs/src/components/pyscript.ts

@@ -247,7 +247,7 @@ export class PyScript extends BaseEvalElement {
     }
 
     getSourceFromElement(): string {
-      return this.code;
+      return htmlDecode(this.code);
     }
   }