code: def test_nan_inf(self):
      x = np.array([np.nan, np.inf])
      assert_equal(repr(x), "array([nan, inf])")
  
imports: import sys
  import gc
  from hypothesis import given
  from hypothesis.extra import numpy
  import pytest
  import numpy
  from numpy.testing import assert_, assert_equal, assert_raises, assert_warns, HAS_REFCOUNT, assert_raises_regex
  from numpy.core.arrayprint import _typelessdata
  import textwrap
label_desc: Use image node_id 1 for calling the TestArrayRepr obj's underlying member method code with example usage: obj.test_nan_inf() without return types