code: def test_repr():
      dtype = NumpyEADtype(np.dtype("int64"))
      assert repr(dtype) == "NumpyEADtype('int64')"
  
imports: import numpy
  import pytest
  from pandas.core.dtypes.dtypes import NumpyEADtype
  import pandas
  import pandas._testing
  from pandas.arrays import NumpyExtensionArray
label_desc: Use image node_id 4 for calling a global function with example usage: test_repr() without return types