Update app.py

app.py

@@ -13,12 +13,12 @@ else:
 try:
   lang = langcodes.Language.get(langtext)
   st.write(f"{lang} is the BCP-47 tag.")
+  if "unknown" in lang.display_name().to_lower():
+    lang = None
 except langcodes.LanguageTagError as e: 
   st.write(f"Could not simply instantiate, trying to look up instead.")
   lang = None
   
-if "Unknown" in lang:
-  lang =  None
 
 
 if lang is None: