Update app.py

app.py

@@ -9,7 +9,11 @@ from PIL import Image
 @st.cache(hash_funcs={tokenizers.Tokenizer: lambda _: None, tokenizers.AddedToken: lambda _: None, re.Pattern: lambda _: None}, allow_output_mutation=True, suppress_st_warning=True)
 def get_model(model_name, model_path):
     tokenizer = transformers.GPT2Tokenizer.from_pretrained(model_name)
+    tokenizer.add_special_tokens({
+    'eos_token': '[EOS]'
+    })
     model = transformers.GPT2LMHeadModel.from_pretrained(model_name)
+    model.resize_token_embeddings(len(tokenizer))
     model.load_state_dict(torch.load(model_path, map_location=torch.device('cpu')))
     model.eval()
     return model, tokenizer