Update app.py

app.py

@@ -408,8 +408,9 @@ def translate_text(input_text: str, s_language: str, t_language: str, model_name
     sl = all_langs[s_language][0]
     tl = all_langs[t_language][0]
     message_text = f'Translated from {s_language} to {t_language} with {model_name}'
-    if sl = tl:
-        translated_text = "Source language identical to target language!"
+    if sl == tl:
+        translated_text = "Source language {s_language} identical to target language {t_language}!"
+        message_text = f'Please choose different target and source language!'
         return translated_text, message_text 
     translated_text = None
     try: