code: def test_fq_positive_single_arg_part():
      # The single-argument operation is converted.
      shape_x = [1, 2, 4]
      a = relay.var("a", shape=shape_x, dtype="int8")
  
      op0 = relay.qnn.op.dequantize(a, relay.const(2.0), relay.const(0))
  
      op1 = relay.op.reshape(op0, (1, 4, 2))
      expr = relay.op.erf(op1)
  
      op0 = relay.op.reshape(a, (1, 4, 2))
      op1 = relay.qnn.op.dequantize(
          op0, relay.const(2.0), relay.const(0)
      )
      expected_expr = relay.op.erf(op1)
      x_np = np.random.randint(-128, 127, size=shape_x, dtype="int8")
      compare_expected_fq_qat_to_int(expr, expected_expr, [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 49 for calling a global function with example usage: test_fq_positive_single_arg_part() without return types