Fix Flax pipeline: width and height are ignored #838 (#848)

* Fix Flax pipeline: width and height are ignored #838

* Fix Flax pipeline: width and height are ignored

src/diffusers/pipelines/stable_diffusion/pipeline_flax_stable_diffusion.py

@@ -152,12 +152,7 @@ class FlaxStableDiffusionPipeline(FlaxDiffusionPipeline):
         uncond_embeddings = self.text_encoder(uncond_input.input_ids, params=params["text_encoder"])[0]
         context = jnp.concatenate([uncond_embeddings, text_embeddings])
 
-        latents_shape = (
-            batch_size,
-            self.unet.in_channels,
-            self.unet.sample_size,
-            self.unet.sample_size,
-        )
+        latents_shape = (batch_size, self.unet.in_channels, height // 8, width // 8)
         if latents is None:
             latents = jax.random.normal(prng_seed, shape=latents_shape, dtype=jnp.float32)
         else: