Update scheduler/scheduler_config.json

scheduler/scheduler_config.json

@@ -21,6 +21,6 @@
   "thresholding": false,
   "timestep_spacing": "leading",
   "trained_betas": null,
-  "use_karras_sigmas": false,
+  "use_karras_sigmas": true,
   "variance_type": null
 }