Add debug print statements in Predictor class for reference image and delta tracking

Author: Saquib764

predict.py

@@ -133,6 +133,9 @@ def predict(
                 reference_image = reference_image.resize((width, height), Image.LANCZOS)
 
         try:
+            print("has_reference: ", has_reference)
+            print("reference_image: ", reference_image)
+            print("delta: ", delta)
             if has_reference:
                 optimised_reference, new_reference_delta = optimise_image_condition(reference_image, delta)
             result_img = self.pipe(