Fix py-repl auto-generate=true (#910)

What is not tested is broken man_facepalming
Test&fix <py-repl auto-generate=true> which was broken by PR #884

pyscriptjs/src/components/pyrepl.ts

@@ -173,6 +173,8 @@ export function make_PyRepl(runtime: Runtime) {
             if (pyResult !== undefined) {
                 pyDisplay(runtime, pyResult, { target: outEl.id });
             }
+
+            this.autogenerateMaybe();
         }
 
         getPySrc(): string {