fix: Python template def main() without ctx arg

console/ui/index.html

@@ -501,7 +501,7 @@
       </div>
       <div>
         <label>Код</label>
-        <textarea id="c-code">def main(ctx):
+        <textarea id="c-code">def main():
     return {"ok": True, "msg": "hello from fission console"}
 </textarea>
         <div style="margin-top:6px; display:flex; gap:6px; flex-wrap:wrap;">
@@ -811,7 +811,7 @@
     const LANG_TEMPLATES = {
       python: {
         entrypoint: 'main.main',
-        code: 'def main():\n    return "hello from fission"'
+        code: 'def main():\n    return {"ok": True}'
       },
       nodejs: {
         entrypoint: 'main',