Update app.py

app.py

@@ -181,7 +181,7 @@ if query:
     reply = ""
     for ev in events:
         if ev.is_final_response(): reply = ev.content.parts[0].text
-    if reply="":
+    if reply=="":
         reply="Please provide complete context."
     st.session_state.history.append(("assistant", reply))
     # add_query_to_sheet(query,reply)