Fix issue and unpin spandrel package.

comfy_extras/nodes_upscale_model.py

@@ -42,7 +42,7 @@ class ImageUpscaleWithModel:
     def upscale(self, upscale_model, image):
         device = model_management.get_torch_device()
 
-        memory_required = model_management.module_size(upscale_model)
+        memory_required = model_management.module_size(upscale_model.model)
         memory_required += (512 * 512 * 3) * image.element_size() * max(upscale_model.scale, 1.0) * 384.0 #The 384.0 is an estimate of how much some of these models take, TODO: make it more accurate
         memory_required += image.nelement() * image.element_size()
         model_management.free_memory(memory_required, device)

requirements.txt

@@ -10,5 +10,7 @@ Pillow
 scipy
 tqdm
 psutil
+
+#non essential dependencies:
 kornia>=0.7.1
-spandrel==0.3.1
\ No newline at end of file
+spandrel