MAINT: Remove implicit inheritance from object class (#15236)

Inheriting from object was necessary for Python 2 compatibility to use
new-style classes. In Python 3, this is unnecessary as there are no
old-style classes.

Dropping the object is more idiomatic Python.

1 files changed, 8 insertions, 8 deletions

diff --git a/numpy/lib/tests/test_recfunctions.py b/numpy/lib/tests/test_recfunctions.py
index cb4efa6c3..2f3c14df3 100644
--- a/numpy/lib/tests/test_recfunctions.py
+++ b/numpy/lib/tests/test_recfunctions.py
@@ -17,7 +17,7 @@ zip_descr = np.lib.recfunctions._zip_descr
 zip_dtype = np.lib.recfunctions._zip_dtype
 
 
-class TestRecFunctions(object):
+class TestRecFunctions:
     # Misc tests
 
     def setup(self):
@@ -346,7 +346,7 @@ class TestRecFunctions(object):
         assert_equal(b[()], 3)
 
 
-class TestRecursiveFillFields(object):
+class TestRecursiveFillFields:
     # Test recursive_fill_fields.
     def test_simple_flexible(self):
         # Test recursive_fill_fields on flexible-array
@@ -369,7 +369,7 @@ class TestRecursiveFillFields(object):
         assert_equal(test, control)
 
 
-class TestMergeArrays(object):
+class TestMergeArrays:
     # Test merge_arrays
 
     def setup(self):
@@ -502,7 +502,7 @@ class TestMergeArrays(object):
         assert_equal(test, control)
 
 
-class TestAppendFields(object):
+class TestAppendFields:
     # Test append_fields
 
     def setup(self):
@@ -556,7 +556,7 @@ class TestAppendFields(object):
         assert_equal(test, control)
 
 
-class TestStackArrays(object):
+class TestStackArrays:
     # Test stack_arrays
     def setup(self):
         x = np.array([1, 2, ])
@@ -727,7 +727,7 @@ class TestStackArrays(object):
         assert_equal(res.mask, expected.mask)
 
 
-class TestJoinBy(object):
+class TestJoinBy:
     def setup(self):
         self.a = np.array(list(zip(np.arange(10), np.arange(50, 60),
                                    np.arange(100, 110))),
@@ -892,7 +892,7 @@ class TestJoinBy(object):
         assert_equal(res.dtype, expected_dtype)
 
 
-class TestJoinBy2(object):
+class TestJoinBy2:
     @classmethod
     def setup(cls):
         cls.a = np.array(list(zip(np.arange(10), np.arange(50, 60),
@@ -957,7 +957,7 @@ class TestJoinBy2(object):
         assert_equal(test.dtype, control.dtype)
         assert_equal(test, control)
 
-class TestAppendFieldsObj(object):
+class TestAppendFieldsObj:
     """
     Test append_fields with arrays containing objects
     """