fix output type in canny

app.py

@@ -268,7 +268,7 @@ class canny2image:
         output = self.pipe(prompt,canny_image,generator=self.generator,num_images_per_prompt=1,num_inference_steps=20)
         
         updated_image_path = get_new_image_name(image_path, func_name="canny2image")
-        real_image = Image.fromarray(output.images[0])  # get default the index0 image
+        real_image = output.images[0]  # get default the index0 image
         real_image.save(updated_image_path)
         return updated_image_path