fixed type hinting

app.py

@@ -1,10 +1,10 @@
-from typing import Any
+from typing import Any, Tuple
 
 from transformers import pipeline, LongformerForSequenceClassification, LongformerTokenizer, Trainer
 import gradio as gr
 
 
-def predict_fn(text: str) -> tuple[Any, Any]:
+def predict_fn(text: str) -> Tuple[Any, Any]:
     model = LongformerForSequenceClassification.from_pretrained("model")
     tokenizer = LongformerTokenizer.from_pretrained("allenai/longformer-base-4096")
     p = pipeline("sentiment-analysis", model=model, tokenizer=tokenizer)