Update app.py

app.py

@@ -5,6 +5,8 @@ from mtcnn import MTCNN
 from tensorflow.keras.models import load_model
 from tensorflow.keras.applications.xception import preprocess_input as xcp_pre
 from tensorflow.keras.applications.efficientnet import preprocess_input as eff_pre
+from huggingface_hub import hf_hub_download
+
 
 # Load models
 xcp_path = hf_hub_download(repo_id="Zeyadd-Mostaffa/deepfake-image-detector_final", filename="xception_model.h5")