[utils][tests][dir2] Remove nose

IPython/utils/tests/test_dir2.py

@@ -1,58 +1,58 b''
-import nose.tools as nt
 from IPython.utils.dir2 import dir2
 
 
 class Base(object):
     x = 1
     z = 23
 
 
 def test_base():
     res = dir2(Base())
-    assert ('x' in res)
-    assert ('z' in res)
-    assert ('y' not in res)
-    assert ('__class__' in res)
-    nt.assert_equal(res.count('x'), 1)
-    nt.assert_equal(res.count('__class__'), 1)
+    assert "x" in res
+    assert "z" in res
+    assert "y" not in res
+    assert "__class__" in res
+    assert res.count("x") == 1
+    assert res.count("__class__") == 1
+
 
 def test_SubClass():
 
     class SubClass(Base):
         y = 2
 
     res = dir2(SubClass())
-    assert ('y' in res)
-    nt.assert_equal(res.count('y'), 1)
-    nt.assert_equal(res.count('x'), 1)
+    assert "y" in res
+    assert res.count("y") == 1
+    assert res.count("x") == 1
 
 
 def test_SubClass_with_trait_names_attr():
     # usecase: trait_names is used in a class describing psychological classification
 
     class SubClass(Base):
         y = 2
         trait_names = 44
 
     res = dir2(SubClass())
     assert('trait_names' in res)
 
 
 def test_misbehaving_object_without_trait_names():
     # dir2 shouldn't raise even when objects are dumb and raise
     # something other than AttribteErrors on bad getattr.
 
     class MisbehavingGetattr(object):
         def __getattr__(self):
             raise KeyError("I should be caught")
 
         def some_method(self):
             pass
 
     class SillierWithDir(MisbehavingGetattr):
         def __dir__(self):
             return ['some_method']
 
     for bad_klass in (MisbehavingGetattr, SillierWithDir):
         res = dir2(bad_klass())
         assert('some_method' in res)