ValueError: assignment destination is read-only

app.py

@@ -34,6 +34,7 @@ pipe, params = FlaxStableDiffusionControlNetPipeline.from_pretrained(
         controlnet=cnet,
         revision="flax",
         dtype=jnp.bfloat16,
+        safety_checker=None,
         )
 #pipe.scheduler = UniPCMultistepScheduler.from_config(pipe.scheduler.config)
 #pipe.enable_model_cpu_offload()