Update app.py

app.py

@@ -16,6 +16,8 @@ sidebar()
 
 st.write("# 🐤 What have they been posting about lately on Mastodon?")
 
+pipeline = start_haystack(st.session_state.get("COHERE_API_KEY"))
+
 st.session_state["api_key_configured"] = True
 search_bar, button = st.columns(2)
 # Search bar
@@ -38,7 +40,7 @@ if st.session_state.get("api_key_configured"):
         st.session_state.username = username
         with st.spinner("🔎"):
             try:
-                st.session_state.result = query(username, pipe)
+                st.session_state.result = query(username, pipeline)
             except JSONDecodeError as je:
                 st.error(
                     "👓    An error occurred reading the results. Is the document store working?"