[LDM pipeline] fix eta condition. (#171)

fix typo in condirion

src/diffusers/pipelines/latent_diffusion/pipeline_latent_diffusion.py

@@ -63,7 +63,7 @@ class LDMTextToImagePipeline(DiffusionPipeline):
         # prepare extra kwargs for the scheduler step, since not all schedulers have the same signature
         accepts_eta = "eta" in set(inspect.signature(self.scheduler.step).parameters.keys())
         extra_kwrags = {}
-        if not accepts_eta:
+        if accepts_eta:
             extra_kwrags["eta"] = eta
 
         for t in tqdm(self.scheduler.timesteps):

src/diffusers/pipelines/latent_diffusion_uncond/pipeline_latent_diffusion_uncond.py

@@ -36,7 +36,7 @@ class LDMPipeline(DiffusionPipeline):
         # prepare extra kwargs for the scheduler step, since not all schedulers have the same signature
         accepts_eta = "eta" in set(inspect.signature(self.scheduler.step).parameters.keys())
         extra_kwrags = {}
-        if not accepts_eta:
+        if accepts_eta:
             extra_kwrags["eta"] = eta
 
         for t in tqdm(self.scheduler.timesteps):