minor updates

app.py

@@ -4,11 +4,6 @@ from query import VectaraQuery
 import streamlit as st
 import os
 
-def isTrue(x) -> bool:
-    if isinstance(x, bool):
-        return x
-    return x.strip().lower() == 'true'
-
 def launch_bot():
     def generate_response(question, role, topic):
         response = vq.submit_query(question, role, topic)
@@ -20,7 +15,7 @@ def launch_bot():
             'corpus_id': str(os.environ['VECTARA_CORPUS_ID']),
             'api_key': str(os.environ['VECTARA_API_KEY']),
             'prompt_name': 'vectara-experimental-summary-ext-2023-12-11-large',
-            'topic': 'standardized testing in education',
+            'topic': 'Standardized testing in education',
             'human_role': 'in opposition to',
             'bot_role': 'in support of'
         })
@@ -34,9 +29,13 @@ def launch_bot():
 
     # left side content
     with st.sidebar:
-        st.markdown(f"## Welcome to Debate Bot.\n\n\n"
-                    f"You are {cfg.human_role} '{cfg.topic}'.\n\n")
+        st.markdown(f"## Welcome to Debate Bot.\n\n\n")
+
+        role_options = ['in opposition to', 'in support of']
+        cfg.human_role = st.selectbox('Your are:', role_options)
+        cfg.bot_role = role_options[1] if cfg.human_role == role_options[0] else role_options[0]
 
+        st.markdown(f"{cfg.topic}.\n\n")
         st.markdown("---")
         st.markdown(
             "## How this works?\n"
@@ -45,7 +44,7 @@ def launch_bot():
         st.markdown("---")
 
     if "messages" not in st.session_state.keys():
-        st.session_state.messages = [{"role": "assistant", "content": f"Please make your first statment {cfg.human_role} '{cfg.topic}'"}]
+        st.session_state.messages = [{"role": "assistant", "content": f"Please make your opening statment."}]
 
     # Display chat messages
     for message in st.session_state.messages: