Update app.py

app.py

@@ -41,7 +41,7 @@ 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]
-  valid_mappings.append("cmn-Hans")
+  valid_mappings.append("cmn-Hans") # special case
   
   problem_mappings = ['generic-Latn',
  'tur-Latn-bab',
@@ -75,7 +75,7 @@ if __name__ == "__main__":
   st.write(f"Selected input language/script: {description}")
   
   
-  if selected_mapping = "cmn-Hans":
+  if selected_mapping == "cmn-Hans":
     st.info("Chinese requires a special dictionary. Downloading now")
     epitran.download.cedict()