diff --git a/.github/workflows/pythonapplication.yml b/.github/workflows/pythonapplication.yml
index 8bb0c0f..a26ad63 100644
--- a/.github/workflows/pythonapplication.yml
+++ b/.github/workflows/pythonapplication.yml
@@ -13,10 +13,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
-    - name: Set up Python 3.7
+    - name: Set up Python 3.11
       uses: actions/setup-python@v1
       with:
-        python-version: 3.7
+        python-version: 3.11
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/messages/definitions.json b/messages/definitions.json
index a86d860..016c205 100644
--- a/messages/definitions.json
+++ b/messages/definitions.json
@@ -630,6 +630,7 @@
       "allOf":[
         { "$ref": "#/definitions/form_element" },
         {
+          "type": "object",
           "properties": {
             "op": {
               "oneOf": [
@@ -666,6 +667,7 @@
           "$ref": "#/definitions/form_element"
         },
         {
+          "type": "object",
           "properties": {
             "op": {
               "oneOf": [
@@ -696,6 +698,7 @@
           "$ref": "#/definitions/form_element"
         },
         {
+          "type": "object",
           "properties": {
             "op": {
               "oneOf": [
@@ -728,6 +731,7 @@
           "$ref": "#/definitions/form_element"
         },
         {
+          "type": "object",
           "properties": {
             "op": {
               "oneOf": [