Update app.py

app.py

@@ -192,7 +192,7 @@ def generate_image(prompt, negative_prompt, width, height, steps, cfg, seed):
         emptysd3latentimage_69 = emptysd3latentimage.generate(
             width=width, height=height, batch_size=1
         )
-        ksamplerselect_72 = ksamplerselect.get_sampler(sampler_name="dpmpp_sde")
+        ksamplerselect_72 = ksamplerselect.get_sampler(sampler_name="heun")
 
         cliptextencode_74 = cliptextencode.encode(
             text=prompt,
@@ -271,7 +271,7 @@ Space Author: [GitHub](https://github.com/gokayfem) | [X.com](https://x.com/goka
             negative_prompt = gr.Textbox(
                 label="Negative Prompt",
                 placeholder="Enter negative prompt here...",
-                value="low quality, ugly, unfinished, out of focus, deformed, disfigure, blurry, smudged, restricted palette, flat colors",
+                value="This greyscale unfinished sketch has bad proportions, is featureless and disfigured. It is a blurry ugly mess and with excessive gaussian blur. It is riddled with watermarks and signatures. Everything is smudged with leaking colors and nonsensical orientation of objects. Messy and abstract image filled with artifacts disrupt the coherency of the overall composition. The image has extreme chromatic abberations and inconsistent lighting. Dull, monochrome colors and countless artistic errors.",
                 lines=2
             )