Update app.py

app.py

@@ -69,9 +69,10 @@ def toggle_textbox(file):
 def update_json(data, name, data_type, desc):
     # if name in [x["name"] for x in data]:
     #     data.remove(name)
-    data.append(
-        {"name":name, "type":data_type, "description":desc}
-    )
+    if name and desc:
+        data.append(
+            {"name":name, "type":data_type if data_type else "str", "description":desc}
+        )
     return data
 
 def delete_json(data, name):