code: def _get_model(shape, dtype, var_names, op, op_params):
      a = relay.var(next(var_names), shape=shape, dtype=dtype)
      b = relay.var(next(var_names), shape=shape, dtype=dtype)
      return op(a, b, **op_params)
  
file_path: tvm/tests/python/contrib/test_arm_compute_lib/test_add.py
imports: import numpy
  import pytest
  import tvm
  import tvm.testing
  from tvm import relay
  from test_arm_compute_lib.infrastructure import skip_runtime_test, skip_codegen_test, build_and_run, verify, verify_codegen
  from test_arm_compute_lib.infrastructure import Device
label_desc: Use image node_id 1 for calling a global function with example usage: _get_model(shape, dtype, var_names, op, op_params) and returns: op