Restoring accidentally-deleted function

app.py

@@ -58,7 +58,15 @@ def get_valid_epitran_mappings_list():
   return filtered_mappings 
 
 
+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)
+  return epi
 
+