Attempt to use format_func on dropdown

app.py

@@ -57,15 +57,9 @@ def get_valid_epitran_mappings_list():
   
   return filtered_mappings 
 
-#@st.cache epitran is an Unhashable Type
-def get_epitran(selected_mapping):
-  if selected_mapping == "cmn-Hans":
-    st.info("Chinese requires a special dictionary. Downloading now")
-    epitran.download.cedict()  
-  
-  epi = epitran.Epitran(selected_mapping)
-  st.info("...instantiated successfully")
-  return epi
+
+
+    
   
 
 if __name__ == "__main__":
@@ -75,12 +69,16 @@ if __name__ == "__main__":
   st.write("Epitran is a library and tool for transliterating orthographic text as IPA (International Phonetic Alphabet), by Mortensen, David R.  and Dalmia, Siddharth and Littell, Patrick.") 
   
   valid_epitran_mappings = get_valid_epitran_mappings_list()
-  index_of_swa_latn = valid_epitran_mappings.index("swa-Latn")
+ 
+
+
+  
+  index_of_desired_default = descriptions.index("Swahili")
   st.write(f"It supports converting many writing sytems to IPA symbols, including approximately {len(valid_epitran_mappings)} languages/scripts, listed below:")
 
   #st.write(valid_epitran_mappings)
   
-  selected_mapping = st.selectbox("Select input language/script:", valid_epitran_mappings, index=index_of_swa_latn)
+  selected_mapping = st.selectbox("Select input language/script:", valid_epitran_mappings, index=index_of_swa_latn, format_func=get_lang_description_from_mapping_name)
 
   
   description = get_lang_description_from_mapping_name(selected_mapping)