by request: fix tiled vae extension

modules/sd_samplers_timesteps.py

@@ -1,5 +1,6 @@
 import torch
 import inspect
+import sys
 from modules import devices, sd_samplers_common, sd_samplers_timesteps_impl
 from modules.sd_samplers_cfg_denoiser import CFGDenoiser
 
@@ -145,3 +146,6 @@ class CompVisSampler(sd_samplers_common.Sampler):
 
         return samples
 
+
+sys.modules['modules.sd_samplers_compvis'] = sys.modules[__name__]
+VanillaStableDiffusionSampler = CompVisSampler  # temp. compatibility with older extensions