Update app.py

app.py

@@ -43,8 +43,8 @@ def get_lang_description_from_mapping_name(string_to_check):
 
 
 def get_valid_epitran_mappings_list():
-  map_path = Path(epitran.__path__[0]) / "data"/"map"
-  map_files = list(map_path.glob("*.*"))
+  map_path = Path(epitran.__path__[0]) / "data" / "map"
+  map_files = map_path.glob("*.*")
   valid_mappings = [map_file.stem for map_file in map_files]
   return valid_mappings