Fix config bug (#6)

- Fix config bug (dfa29501e801fac0d96dfe80c6de1a5dbf424170)


Co-authored-by: Alara Dirik <adirik@users.noreply.huggingface.co>

preprocessor_config.json

@@ -18,5 +18,5 @@
   "processor_class": "OwlViTProcessor",
   "resample": 3,
   "rescale": true,
-  "size": (768, 768)
+  "size": [768, 768]
 }