Update app.py

app.py

@@ -222,7 +222,7 @@ def train_model(model_name, data, batch_size, epochs, learning_rate=1e-5, max_le
             num_train_epochs=epochs,
             per_device_train_batch_size=batch_size,
             per_device_eval_batch_size=batch_size,
-            evaluation_strategy='epoch',  # Set evaluation strategy
+            eval_strategy='epoch',  # Set evaluation strategy
             save_strategy='epoch',  # Ensure save strategy matches evaluation strategy
             learning_rate=learning_rate,
             save_steps=500,