Solved by merve in post #2 
              
              
                Hello  
While you initialize TFAutoModelForSeq2SeqLM you need to initialize it with TFAutoModelForSeq2SeqLM.from_pretrained('Helsinki-NLP/opus-mt-en-ar', from_pt = True) because the TF model itself doesn’t exist but TFAutoModelForSeq2SeqLM is implemented, meaning, you can convert PyTorch weights to …