[modular] fixes! (#33820)

* fix converter for function definitions

* small changes

* no prints

* style

examples/modular-transformers/convert_examples.sh

@@ -5,6 +5,6 @@ for file in examples/modular-transformers/modular_*; do
     # Check if it's a regular file
     if [ -f "$file" ]; then
         # Call the Python script with the file name as an argument
-        python utils/diff_model_converter.py --files_to_parse "$file"
+        python utils/modular_model_converter.py --files_to_parse "$file"
     fi
 done