Merge changes from dev

1 files changed, 2 insertions, 1 deletions

diff --git a/modules/sd_samplers_timesteps.py b/modules/sd_samplers_timesteps.py
index b17a8f93..777dd8d0 100644
--- a/modules/sd_samplers_timesteps.py
+++ b/modules/sd_samplers_timesteps.py
@@ -36,7 +36,7 @@ class CompVisTimestepsVDenoiser(torch.nn.Module):
         self.inner_model = model

 

     def predict_eps_from_z_and_v(self, x_t, t, v):

-        return self.inner_model.sqrt_alphas_cumprod[t.to(torch.int), None, None, None] * v + self.inner_model.sqrt_one_minus_alphas_cumprod[t.to(torch.int), None, None, None] * x_t

+        return torch.sqrt(self.inner_model.alphas_cumprod)[t.to(torch.int), None, None, None] * v + torch.sqrt(1 - self.inner_model.alphas_cumprod)[t.to(torch.int), None, None, None] * x_t

 

     def forward(self, input, timesteps, **kwargs):

         model_output = self.inner_model.apply_model(input, timesteps, **kwargs)

@@ -80,6 +80,7 @@ class CompVisSampler(sd_samplers_common.Sampler):
         self.eta_default = 0.0

 

         self.model_wrap_cfg = CFGDenoiserTimesteps(self)

+        self.model_wrap = self.model_wrap_cfg.inner_model

 

     def get_timesteps(self, p, steps):

         discard_next_to_last_sigma = self.config is not None and self.config.options.get('discard_next_to_last_sigma', False)