Update app.py

app.py

@@ -11,9 +11,16 @@ from langchain import PromptTemplate
 
 st.set_page_config(page_title="Talk2Book", page_icon="📖")
 
-# set later in the sidebar section
-BOOK_NAME = st.empty()
-AUTHOR_NAME = st.empty()
+
+#### sidebar section 1 ####
+with st.sidebar:
+    book = st.radio("Choose book: ",
+                   ["1984 - George Orwell", "The Almanac of Naval Ravikant - Eric Jorgenson"]
+                   )
+    
+    BOOK_NAME = book.split("-")[0][:-1] # "1984 - George Orwell" -> "1984"
+    AUTHOR_NAME = book.split("-")[1][1:] # "1984 - George Orwell" -> "George Orwell"
+
 
 st.title(f"Talk2Book: {BOOK_NAME}")
 st.markdown(f"#### Have a conversation with {BOOK_NAME} by {AUTHOR_NAME} 🙊")
@@ -124,15 +131,8 @@ def get_answer(question):
 
     
 
-##### sidebar ####
+##### sidebar section 2 ####
 with st.sidebar:
-    book = st.radio("Choose book: ",
-                   ["1984 - George Orwell", "The Almanac of Naval Ravikant - Eric Jorgenson"]
-                   )
-    # update st.empty() variables from earlier
-    BOOK_NAME.text(book.split("-")[0][:-1]) # "1984 - George Orwell" -> "1984"
-    AUTHOR_NAME.text(book.split("-")[1][1:]) # "1984 - George Orwell" -> "George Orwell"
-    
     api_key = st.text_input(label = "Paste your OpenAI API key here to get started", 
                             type = "password",
                             help = "This isn't saved 🙈"