Update app.py

app.py

@@ -54,7 +54,9 @@ def load_model_detection():
 
 def preprocess_image(image):
     """ Preprocess the image to the required size and normalization. """
-    image = cv2.resize(image, (W==320, H==320))
+    W = 320
+    H = 320
+    image = cv2.resize(image, (W, H))
     image = (image - 127.5) / 127.5  # Normalize to [-1, +1]
     image = np.expand_dims(image, axis=0).astype(np.float32)
     return image