Update app.py

app.py

@@ -9,7 +9,7 @@ def apollo_page_switch():
 
 def BH_page_switch():
     switch_to_BH = st.button("Visit the page dedicated for Business hubs use case")
-    if switch_to_rabigh:
+    if switch_to_BH:
         switch_page("Business_Hubs")        
 st.markdown(
 """