Update app.py

app.py

@@ -3,18 +3,25 @@ import langcodes
 
 # https://huggingface.co/blog/streamlit-spaces
 langtext = st.text_area("language code", "en")
+lang = langcodes.Language.get(langtext)
+  
 
 
 
 if langcodes.tag_is_valid('langtext'):
   st.write(f"'{langtext}' is a valid BCP-47 language code")  
-  lang = langcodes.Language.get(langtext)
+  
 else:
   st.write(f"'{langtext}' is not a valid BCP-47 language code")  
-  found = langcodes.find(langtext)
-  lang = found
-  st.write(f"langcodes found the following tag: {found}")
-
+  if lang.is_valid() == False:
+    try:
+      found = langcodes.find(langtext)
+      lang = found
+      st.write(f"langcodes found the following tag: {found}")
+    except LookupError as e:
+      st.write(f"Couldn't look up langtext, sorry: {e}")
+      lang = None
+  
 
 #st.write(f"langcodes found the following tag: {type(found)}") # a Language object
 display = lang.display_name()