Update scheduler/scheduler_config.json

scheduler/scheduler_config.json

@@ -1,6 +1,6 @@
 {
-  "_class_name": "DDIMScheduler",
-  "_diffusers_version": "0.19.0.dev0",
+  "_class_name": "HeunDiscreteScheduler",
+  "_diffusers_version": "0.18.0.dev0",
   "beta_end": 0.012,
   "beta_schedule": "scaled_linear",
   "beta_start": 0.00085,
@@ -12,8 +12,10 @@
   "rescale_betas_zero_snr": false,
   "sample_max_value": 1.0,
   "set_alpha_to_one": false,
+
   "steps_offset": 1,
   "thresholding": false,
   "timestep_spacing": "leading",
-  "trained_betas": null
-}
+  "trained_betas": null,
+  "use_karras_sigmas": false
+}