[fix] Absolute dir check in generating expansion data files

scripts/geodata/address_expansions/address_dictionaries.py

@@ -109,9 +109,9 @@ def create_address_expansion_rules_file(base_dir=ADDRESS_EXPANSIONS_DIR, output_
     max_dictionary_types = 0
 
     for language in os.listdir(base_dir):
-        if not os.path.isdir(language):
-            continue
         language_dir = os.path.join(base_dir, language)
+        if not os.path.isdir(language_dir):
+            continue
 
         num_language_rules = 0
         language_index = len(expansion_rules)