fix: decoding function

app.py

@@ -23,7 +23,7 @@ if st.button('문장 변환'):
 
     else:
         translated = ko2en_model.generate(
-        **tokenizer([src_text], return_tensors="pt", padding=True, max_length=64,),
+        **tokenizer(src_text, return_tensors="pt", padding=True, max_length=64,),
         max_length=64,
         num_beams=5,
         repetition_penalty=1.3,
@@ -32,7 +32,7 @@ if st.button('문장 변환'):
         ) 
         
         backtranslated = en2ko_model.generate(
-        **tokenizer([translated], return_tensors="pt", padding=True, max_length=64,),
+        **tokenizer(translated, return_tensors="pt", padding=True, max_length=64,),
         max_length=64,
         num_beams=5,
         repetition_penalty=1.3,