added more comments

app.py

@@ -109,6 +109,7 @@ def process_document_donut(image_array, question):
     return op
 
 def process_document_pg(image_array, question):
+    print("qustion :", question)
     print("called loaded model")
     model, processor = loaded_models.get("paligemma")
 
@@ -162,12 +163,16 @@ def generate_answer_paligemma(image_array, question):
         return "sorry :("
 
 def generate_answers(image_path, question, selected_model=model_choices[0]):
+    print("selected model: ", selected_model)
     try:
         if selected_model == "donut":
+            print("generate answers donut")
             answer = generate_answer_donut(image_path, question)
         elif selected_model == "paligemma":
+            print("generate answers pg")
             answer = generate_answer_paligemma(image_path, question) 
         else:
+            print("generate answers idf2")
             answer = generate_answer_idefics(image_path, question)
     
         return [answer] #[donut_answer, pg_answer, idf_answer]