code: def sch_fn(
      sch: tvm.tir.Schedule, block: tvm.tir.Block
  ) -> List[tvm.tir.Schedule]:
      raise ValueError(
          "Intended for meta_schedule.cpu.test_apply_custom_rule"
      )
  
file_path: tvm/tests/python/meta_schedule/test_meta_schedule_schedule_rule_apply_custom_rule.py
imports: from typing import List
  import tempfile
  import pytest
  import tvm
  from tvm import meta_schedule
  from tvm.meta_schedule.schedule_rule import ApplyCustomRule
  from tvm.script import tir
label_desc: Use image node_id 1 for calling a global function with example usage: sch_fn(sch, block) without return types