Update app.py

app.py

@@ -15,7 +15,7 @@ options.extend(list(all_langs.keys()))
 models = ["Helsinki-NLP",
           "t5-small", "t5-base", "t5-large",
           "google/flan-t5-small", "google/flan-t5-base", "google/flan-t5-large", "google/flan-t5-xl",
-          "facebook/nllb-200-distilled-600M", "facebook/nllb-200-distilled-1.3B", "facebook/nllb-200-1.3B",
+          "facebook/nllb-200-distilled-600M", "facebook/nllb-200-distilled-1.3B", "facebook/nllb-200-1.3B", "facebook/nllb-200-3.3B",
           "facebook/mbart-large-50-many-to-many-mmt", "facebook/mbart-large-50-one-to-many-mmt", "facebook/mbart-large-50-many-to-one-mmt",
           "facebook/m2m100_418M", "facebook/m2m100_1.2B",
           "bigscience/mt0-small", "bigscience/mt0-base", "bigscience/mt0-large", "bigscience/mt0-xl",
@@ -55,7 +55,8 @@ def argos(sl, tl, input_text):
         download_argos_model(sl, tl)
         translated_text = argostranslate.translate.translate(input_text, sl, tl)
     except StopIteration:
-        translated_text = f"No Argos model for {sl} to {tl}. Try other model or languages combination!"
+        all_argos_combos = ', '.join(argostranslate.package.get_available_packages())
+        translated_text = f"No Argos model for {sl} to {tl}. Try other model or languages combination! Available Argos models: {all_argos_combos}."
     except Exception as error:
         translated_text = error
     return translated_text
@@ -328,7 +329,8 @@ def translate_text(input_text: str, sselected_language: str, tselected_language:
     
     except Exception as error:
         translated_text = error
-    return translated_text, message_text
+    finally:
+        return translated_text, message_text
 
 # Function to swap dropdown values
 def swap_languages(src_lang, tgt_lang):