made some changes

app.py

@@ -406,8 +406,8 @@ def stream_handler(chat_stream, placeholder):
     full_response = ""
 
     for chunk in chat_stream:
-        if chunk.token["text"] != "</s>":
-            full_response += chunk.token["text"]
+        if chunk.token.text != "</s>":
+            full_response += chunk.token.text
             placeholder.markdown(full_response + "▌")
     placeholder.markdown(full_response)
 
@@ -426,7 +426,7 @@ def stream_handler(chat_stream, placeholder):
 
     with col3:
         st.write(
-            f"**₹ {round(len_response * COST_PER_1000_TOKENS_INR / 1000, 5)} cost incurred**"
+            f"**$ {round(len_response * COST_PER_1000_TOKENS_INR * 82 / 1000, 5)} cost incurred**"
         )
 
     st.session_state["tps"] = tokens_per_second