Debug error with gradio

app.py

@@ -1,6 +1,6 @@
 import gradio as gr
 
-from functions import extract_text, summarize_text, generate_question, get_answer_context, answer_question
+from functions import extract_text, summarize_text, generate_question, get_answer_context, answer_question, store_text_changes
 
 
 def update(name='default text'):
@@ -18,6 +18,8 @@ with gr.Blocks() as demo:
                                  show_label=False)
             btn_extract_text = gr.Button("Extraer texto")
         out_url_text = gr.Textbox(label="Texto extraído")
+        out_url_text.change(fn=store_text_changes,
+                            show_progress=False, status_tracker=None)
         btn_extract_text.click(
             fn=extract_text, inputs=inp_url, outputs=out_url_text)
 
@@ -55,7 +57,6 @@ with gr.Blocks() as demo:
                          show_label=False)
     btn_qna = gr.Button("Responder")
     out_qna = gr.Textbox(show_label=False)
-    btn_qna.click(fn=answer_question,
-                  inputs=[out_url_text, inp_qna], outputs=out_qna)
+    btn_qna.click(fn=answer_question, inputs=inp_qna, outputs=out_qna)
 
 demo.launch()

functions.py

@@ -17,9 +17,13 @@ device = 'cuda'
 
 shared = {
     'answer_context': None,
-    'embeddings_dataset': None
+    'embeddings_dataset': None,
+    'base_text': None,
 }
 
+def store_text_changes(text):
+    shared['base_text'] = text
+
 
 def get_nearest_examples(question: str, k: int):
     print(['get_nearest_examples', 'start'])
@@ -116,8 +120,8 @@ def get_answer_context():
     return shared['answer_context']
 
 
-def answer_question(full_text: str, question: str):
-    return ', '.join([len(full_text), len(question)])
+def answer_question(question: str):
+    return ', '.join([len(shared['base_text']), len(question)])
     print(['answer_question', 'start'])
     if not shared['embeddings_dataset']:
         build_faiss_index(full_text)