Update app.py

app.py

@@ -143,7 +143,7 @@ def generate_performance_metrics():
 
     with torch.no_grad():
         for batch in val_loader:
-            inputs = tokenizer(email, padding=True, truncation=True, max_length=256, return_tensors="pt")
+            inputs = tokenizer(email_text, padding=True, truncation=True, max_length=256, return_tensors="pt")
             inputs = {key: val.to(device) for key, val in inputs.items()}
 
             outputs = model(**inputs)