Empty the question box

app.py

@@ -92,6 +92,8 @@ QUESTION_FILES = {
 FIELDS = {
     "Vendor Name": ["Vendor Name - Logo?", "Vendor Name - Address?"],
     "Vendor Address": ["Vendor Address?"],
+    "Customer Name": ["Customer Name?"],
+    "Customer Address": ["Customer Address?"],
     "Invoice Number": ["Invoice Number?"],
     "Invoice Date": ["Invoice Date?"],
     "Due Date": ["Due Date?"],
@@ -170,7 +172,7 @@ def process_question(
     question, document, img_gallery, model, fields, output, output_table
 ):
     if not question or document is None:
-        return None, None, None
+        return None, None, None, None
 
     text_value = None
     pages = [processing_utils.decode_base64_to_image(p) for p in img_gallery]
@@ -182,6 +184,7 @@ def process_question(
     output = {field_name: prediction, **output}
     table = [[field_name, prediction.get("answer")]] + output_table.values.tolist()
     return (
+        None,    
         gr.update(visible=True, value=pages),
         fields,
         output,
@@ -458,7 +461,7 @@ with gr.Blocks(css=CSS) as demo:
     question.submit(
         fn=process_question,
         inputs=[question, document, image, model, fields, output, output_table],
-        outputs=[image, fields, output, output_table],
+        outputs=[question, image, fields, output, output_table],
     )
 
     submit_button.click(