Update app.py

app.py

@@ -218,6 +218,7 @@ with gr.Blocks() as demo:
 ###################################
 gr.Markdown(f'<p style="text-align:center">Get your Open AI API key <a href="https://platform.openai.com/account/api-keys">here</a></p>')
 openAI_key=gr.Textbox(label='Enter your OpenAI API key here')
+useremail = gr.Textbox(label='Enter user email here')
 url = gr.Textbox(label='Enter PDF URL here')
 gr.Markdown("<center><h4>OR<h4></center>")
 file = gr.File(label='Upload your PDF/ Research Paper / Book here', file_types=['.pdf'])
@@ -226,5 +227,5 @@ btn = gr.Button(value='Submit')
 btn.style(full_width=True)
 answer = gr.Textbox(label='The answer to your question is :')
 gr.Interface(fn=question_answer,
-             inputs=[url, file, question,openAI_key],
+             inputs=[useremail, url, file, question,openAI_key],
              outputs=[answer]).launch()