Update app.py

app.py

@@ -1,8 +1,9 @@
 import gradio as gr
-import base64
+
 from gpt_reader.pdf_reader import PaperReader
 from gpt_reader.prompt import BASE_POINTS
 
+
 class GUI:
     def __init__(self):
         self.api_key = ""
@@ -19,11 +20,12 @@ class GUI:
 
 
 with gr.Blocks() as demo:
-
     gr.Markdown(
         """
         # CHATGPT-PAPER-READER
         """)
+
+    with gr.Tab("Upload PDF File"):
         pdf_input = gr.File(label="PDF File")
         api_input = gr.Textbox(label="OpenAI API Key")
         result = gr.Textbox(label="PDF Summary")
@@ -34,7 +36,7 @@ with gr.Blocks() as demo:
         ask_button = gr.Button("Ask")
     with gr.Accordion("About this project"):
         gr.Markdown(
-            """ Simply upload your document and let our model read it within seconds!""")
+            """Simply upload your document and let our model read it within seconds!""")
 
     app = GUI()
     upload_button.click(fn=app.analyse, inputs=[api_input, pdf_input], outputs=result)
@@ -42,4 +44,4 @@ with gr.Blocks() as demo:
 
 if __name__ == "__main__":
     demo.title = "CHATGPT-PAPER-READER"
-    demo.launch() 
+    demo.launch()  # add "share=True" to share CHATGPT-PAPER-READER app on Internet.