Update app.py

app.py

@@ -3,12 +3,13 @@ from transformers import pipeline
 from datasets import Dataset, DatasetDict
 import pandas as pd
 import numpy as np
+import subprocess
 from transformers import RobertaTokenizerFast, RobertaForSequenceClassification,Trainer, TrainingArguments
 
 
-token = os.environ.get('token', None)
+TOKEN = os.environ.get('token', None)
 
-huggingface-cli login --token token
+subprocess.run(["huggingface-cli", "login", "--token", TOKEN])
 
 model = RobertaForSequenceClassification.from_pretrained('Prakhar618/Gptdetect')
 tokenizer = RobertaTokenizerFast.from_pretrained('Prakhar618/Gptdetect', max_length = 256)