code: def test_fake_quantize_topk(k, axis, is_ascend, dtype):
      x = relay.var("x", shape=[20, 100], dtype=dtype)
      zero = relay.const(0)
  
      x = relay.qnn.op.dequantize(x, relay.const(2.0), zero)
      op = relay.topk(x, k, axis, "values", is_ascend, "float32")
      op = relay.qnn.op.quantize(
          op, relay.const(2.0), zero, out_dtype=dtype
      )
      x_np = np.random.randint(0, 127, size=[20, 100], dtype=dtype)
  
      compare_fq_to_int(op, [x_np])
  
imports: import numpy
  import pytest
  import tvm
  import tvm.testing
  from tvm import relay
  from tvm.relay.transform import fake_quantization_to_integer
label_desc: Use image node_id 27 for calling a global function with example usage: test_fake_quantize_topk(k, axis, is_ascend, dtype) without return types