disable unipc and enable DPM solver

app.py

@@ -33,9 +33,10 @@ pipe, params = FlaxStableDiffusionControlNetPipeline.from_pretrained(
         "./models/wd-1-5-b2-flax",
         controlnet=cnet,
         revision="flax",
-        dtype=jnp.bfloat16
+        dtype=jnp.bfloat16,
+        scheduler="FlaxDPMSolverMultistepScheduler"
         )
-pipe.scheduler = UniPCMultistepScheduler.from_config(pipe.scheduler.config)
+#pipe.scheduler = UniPCMultistepScheduler.from_config(pipe.scheduler.config)
 #pipe.enable_model_cpu_offload()
 #pipe.enable_xformers_memory_efficient_attention()