Typo in tutorial (#3295)

Author: IliaLarchenko

docs/source/en/using-diffusers/write_own_pipeline.mdx

@@ -96,7 +96,7 @@ To recreate the pipeline with the model and scheduler separately, let's write ou
 
     >>> image = (input / 2 + 0.5).clamp(0, 1)
     >>> image = image.cpu().permute(0, 2, 3, 1).numpy()[0]
-    >>> image = Image.fromarray((image * 255)).round().astype("uint8")
+    >>> image = Image.fromarray((image * 255).round().astype("uint8"))
     >>> image
     ```