keep linter happy

etl/planning_data/address_data.py

@@ -54,7 +54,7 @@ def generate_address(site_name, site_number, street_name, secondary_street_name)
 
     if site_number is not None and street_name is not None:
         address = site_number + " " + street_name
-        if site_name != None:
+        if site_name is not None:
             address += " - " + site_name
         # in some cases it results in duplication when site_name repeats
         # address parts, but often it provides useful data