Update app.py

app.py

@@ -34,7 +34,7 @@ def load_pdf(pdf_doc, open_ai_key):
 
 def answer_query(query):
     question = query
-    return chain.run(question)
+    return pdf_qa.run(question)
 
     
 html = """
@@ -55,7 +55,7 @@ with gr.Blocks(css=css,theme=gr.themes.Monochrome()) as demo:
 
 
         with gr.Row():
-            input = gr.Textbox(label="type in your question")
+            input = gr.Textbox(label="Type in your question")
             output = gr.Textbox(label="output")
         submit_query = gr.Button("submit")