Support iomd python code block format

bt5/erp5_notebook/SkinTemplateItem/portal_skins/erp5_notebook/gadget_jsmd_eval.js.js

@@ -480,9 +480,17 @@
       // Do nothing...
       return;
     }
+    // The block "%% code" is for keep the compatibility with the legacy pyodide notebook
+    // New notebook suggest to use "%% py" directly
+    if (cell._type === 'code') {
+      return executeCodeCell(cell._line_list, cell._option);
+    }
     if (cell._type === 'js') {
       return executeJSCell(cell._line_list);
     }
+    if (cell._type === 'py') {
+      return executeCodeCell(cell._line_list, {language: 'py'});
+    }
     if (cell._type === 'resource') {
       return executeResourceCell(cell._line_list);
     }
@@ -495,9 +503,6 @@
     if (cell._type === 'css') {
       return executeCssCell(cell._line_list);
     }
-    if (cell._type === 'code') {
-      return executeCodeCell(cell._line_list, cell._option);
-    }
     return executeUnknownCellType(cell);
   }