Update app.py

app.py

@@ -3,23 +3,26 @@ import langcodes
 
 # https://huggingface.co/blog/streamlit-spaces
 langtext = st.text_input("language code", "en")
-lang = langcodes.Language.get(langtext)
+try:
+  lang = langcodes.Language.get(langtext)
+except LanguageTagError as e: 
+  st.write(f"{e}")
+  lang = None
   
 
 
 
-if langcodes.tag_is_valid('langtext'):
+if lang:
   st.write(f"'{langtext}' is a valid BCP-47 language code")  
   
 else:
   st.write(f"'{langtext}' is not a valid BCP-47 language code")  
-  if lang.is_valid() == False:
-    try:
-      found = langcodes.find(langtext)
-      lang = found
-    except LookupError as e:
-      st.write(f"Couldn't look up langtext, sorry: {e}")
-      lang = None
+  try:
+    found = langcodes.find(langtext)
+    lang = 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