Update scheduler/scheduler_config.json

scheduler/scheduler_config.json

@@ -15,6 +15,6 @@
   "skip_prk_steps": true,
   "steps_offset": 1,
   "thresholding": false,
-  "timestep_spacing": "leading",
+  "timestep_spacing": "trailing",
   "trained_betas": null
 }