Update app.py

app.py

@@ -74,7 +74,7 @@ async def infer(model_str, prompt, nprompt="", height=0, width=0, steps=0, cfg=0
         raise Exception() from e
     if task.done() and result is not None and not isinstance(result, tuple):
         with lock:
-            png_path = "image.png"
+            png_path = "img.png"
             image = save_image(result, png_path, model_str, prompt, nprompt, height, width, steps, cfg, seed)
         return image
     return None