Update app.py

app.py

@@ -3,6 +3,7 @@ import epitran
 import langcodes
 from langcodes import LanguageTagError
 from pathlib import Path
+from operator import itemgetter
 # TODO: reverse transliterate? 
 
 
@@ -46,6 +47,15 @@ def get_valid_epitran_mappings_list():
   map_path = Path(epitran.__path__[0]) / "data" / "map"
   map_files = map_path.glob("*.*")
   valid_mappings = [map_file.stem for map_file in map_files]
+  problem_mappings = ['generic-Latn',
+ 'tur-Latn-bab',
+ 'ood-Latn-sax',
+ 'vie-Latn-so',
+ 'vie-Latn-ce',
+ 'vie-Latn-no',
+ 'kaz-Cyrl-bab'] # https://github.com/dmort27/epitran/issues/98
+  filtered_mappings = [mapping for mapping in valid_epitran_mappings if mapping not in problem_mappings]
+  
   return valid_mappings