set default selection

app.py

@@ -60,10 +60,15 @@ def get_langcode_description(input_code):
 if __name__ == "__main__":
 #  input_code = st.text_input("(optional) 2 or 3-letter ISO code for input language. 2-letter codes will be converted to 3-letter codes", max_chars=3)
   supported_codes = get_supported_codes()
-  input_code = st.selectbox("ISO code for input language. Allosaurus doesn't need this, but it can improve accuracy", options=supported_codes, format_func=get_langcode_description)
+  index_of_desired_default = supported_codes.index("ipa")
+  langcode = st.selectbox("ISO code for input language. Allosaurus doesn't need this, but it can improve accuracy", 
+                          options=supported_codes, 
+                          index=index_of_desired_default,
+                          format_func=get_langcode_description
+                          )
   
   model = read_recognizer()
-  langcode, description = get_langcode_for_allosaurus(input_code)
+  description = get_langcode_description(langcode)
 
   st.write(f"Instructing Allosaurus to recognize using language {langcode}. That is, {description}")