code: def test_generate_tensor_data__type_unknown():
      with pytest.raises(tvmc.TVMCException) as e:
          tvmc.runner.generate_tensor_data(
              (2, 3), "float32", "whatever"
          )
  
file_path: tvm/tests/python/driver/tvmc/test_runner.py
imports: import pytest
  import numpy
  from tvm import rpc
  from tvm.driver import tvmc
  from tvm.driver.tvmc.model import TVMCResult
  from tvm.driver.tvmc.result_utils import get_top_results
  from tvm.runtime.module import BenchmarkResult
label_desc: Use image node_id 4 for calling a global function with example usage: test_generate_tensor_data__type_unknown() without return types