Update app.py

app.py

@@ -79,9 +79,9 @@ def handle_input(text, translation, lang_detect, audio_processor):
     if override_lang != "Auto":
         selected_lang = next((lang for lang, _, _ in detected_options if native_lang_map.get(lang, lang) in override_lang), override_lang)
         st.session_state.source_lang = selected_lang
-        if selected_lang not in translation.LANGUAGES:
+        if selected_lang not in translation.SUPPORTED_PAIRS.get(st.session_state.source_lang, []):
             st.session_state.source_lang = "English"
-            st.warning(f"{native_lang_map.get(selected_lang, selected_lang)} is not supported by the translation model. Using English instead.")
+            st.warning(f"Translation from {native_lang_map.get(selected_lang, selected_lang)} is not supported. Using English instead.")
 
     st.info(f"Selected Source Language: {native_lang_map.get(st.session_state.source_lang, st.session_state.source_lang)}")