Update app.py

app.py

@@ -21,8 +21,8 @@ st.session_state["model_name"] = model_name
 
 if model_name == 'Helsinki-NLP':
     model_name = f"Helsinki-NLP/opus-mt-{sl}-{tl}"
-    tokenizer = AutoTokenizer.from_pretrained(f"Helsinki-NLP/opus-mt-{sl}-{tl}")
-    model = AutoModelForSeq2SeqLM.from_pretrained(f"Helsinki-NLP/opus-mt-{sl}-{tl}")
+    tokenizer = AutoTokenizer.from_pretrained(model_name")
+    model = AutoModelForSeq2SeqLM.from_pretrained(model_name)
 else:
     tokenizer = T5Tokenizer.from_pretrained(model_name)
     model = T5ForConditionalGeneration.from_pretrained(model_name)