Update workflow.json

workflow.json

@@ -1 +1 @@
-{'prompt': 'A painting of a horse', 'height': 512, 'width': 512, 'num_inference_steps': 15, 'guidance_scale': 7.5, 'negative_prompt': none, 'num_images_per_prompt': 1, 'eta': 0.0, 'output_type': 'pil', 'return_dict': true, 'callback': none, 'callback_steps': 1, 'cross_attention_kwargs': none, 'guidance_rescale': 0.0, 'clip_skip': none}
+{'prompt': 'A painting of a horse', 'height': 512, 'width': 512, 'num_inference_steps': 15, 'guidance_scale': 7.5, 'negative_prompt': null, 'num_images_per_prompt': 1, 'eta': 0.0, 'output_type': 'pil', 'return_dict': true, 'callback': null, 'callback_steps': 1, 'cross_attention_kwargs': null, 'guidance_rescale': 0.0, 'clip_skip': null}