old_contents: import mockito
  from mockito import when, patch
  
  import numpy as np
  from . import module
  
  
  def xcompare(a, b):
      if isinstance(a, mockito.matchers.Matcher):
          return a.matches(b)
  
      return np.array_equal(a, b)
  
  
  class TestEnsureNumpyWorks:
      def testEnsureNumpyArrayAllowedWhenStubbing(self):
          array = np.array([1, 2, 3])
          with patch(mockito.invocation.MatchingInvocation.compare, xcompare):
              when(module).one_arg(array).thenReturn('yep')
              assert module.one_arg(array) == 'yep'
  
      def testEnsureNumpyArrayAllowedWhenCalling(self):
          array = np.array([1, 2, 3])
          when(module).one_arg(Ellipsis).thenReturn('yep')
          assert module.one_arg(array) == 'yep'
  
  
new_contents: import mockito
  from mockito import when, patch
  import pytest
  
  import numpy as np
  from . import module
  
  
  pytestmark = pytest.mark.usefixtures("unstub")
  
  
  def xcompare(a, b):
      if isinstance(a, mockito.matchers.Matcher):
          return a.matches(b)
  
      return np.array_equal(a, b)
  
  
  class TestEnsureNumpyWorks:
      def testEnsureNumpyArrayAllowedWhenStubbing(self):
          array = np.array([1, 2, 3])
          when(module).one_arg(array).thenReturn('yep')
  
          with patch(mockito.invocation.MatchingInvocation.compare, xcompare):
              assert module.one_arg(array) == 'yep'
  
      def testEnsureNumpyArrayAllowedWhenCalling(self):
          array = np.array([1, 2, 3])
          when(module).one_arg(Ellipsis).thenReturn('yep')
          assert module.one_arg(array) == 'yep'
  
  
subject: Make numpy test clearer and ensure unstub