Emergency fix for Qwen-Image-Edit (huggingface#12188)

fix(qwen-image):
shape calculation fix

Author: naykun

src/diffusers/pipelines/qwenimage/pipeline_qwenimage_edit.py

@@ -646,8 +646,7 @@ def __call__(
             returning a tuple, the first element is a list with the generated images.
         """
         image_size = image[0].size if isinstance(image, list) else image.size
-        width, height = image_size
-        calculated_width, calculated_height, _ = calculate_dimensions(1024 * 1024, width / height)
+        calculated_width, calculated_height, _ = calculate_dimensions(1024 * 1024, image_size[0] / image_size[1])
         height = height or calculated_height
         width = width or calculated_width