4 files changed, 8 insertions, 8 deletions
diff --git a/numpy/f2py/auxfuncs.py b/numpy/f2py/auxfuncs.py
index d985e6e36..31802621e 100644
--- a/numpy/f2py/auxfuncs.py
+++ b/numpy/f2py/auxfuncs.py
@@ -550,7 +550,7 @@ class F2PYError(Exception):
     pass
 
 
-class throw_error(object):
+class throw_error:
 
     def __init__(self, mess):
         self.mess = mess
diff --git a/numpy/f2py/tests/test_array_from_pyobj.py b/numpy/f2py/tests/test_array_from_pyobj.py
index c5757dba1..b719f2495 100644
--- a/numpy/f2py/tests/test_array_from_pyobj.py
+++ b/numpy/f2py/tests/test_array_from_pyobj.py
@@ -55,7 +55,7 @@ def flags2names(flags):
     return info
 
 
-class Intent(object):
+class Intent:
 
     def __init__(self, intent_list=[]):
         self.intent_list = intent_list[:]
@@ -129,7 +129,7 @@ if ((intp().dtype.itemsize != 4 or clongdouble().dtype.alignment <= 8) and
     _cast_dict['CDOUBLE'] = _cast_dict['DOUBLE'] + ['CFLOAT', 'CDOUBLE']
 
 
-class Type(object):
+class Type:
     _type_cache = {}
 
     def __new__(cls, name):
@@ -190,7 +190,7 @@ class Type(object):
         return types
 
 
-class Array(object):
+class Array:
 
     def __init__(self, typ, dims, intent, obj):
         self.type = typ
@@ -291,7 +291,7 @@ class Array(object):
         return obj_attr[0] == self.arr_attr[0]
 
 
-class TestIntent(object):
+class TestIntent:
 
     def test_in_out(self):
         assert_equal(str(intent.in_.out), 'intent(in,out)')
@@ -302,7 +302,7 @@ class TestIntent(object):
         assert_(not intent.in_.is_intent('c'))
 
 
-class TestSharedMemory(object):
+class TestSharedMemory:
     num2seq = [1, 2]
     num23seq = [[1, 2, 3], [4, 5, 6]]
 
diff --git a/numpy/f2py/tests/test_callback.py b/numpy/f2py/tests/test_callback.py
index e4e61f450..7629df605 100644
--- a/numpy/f2py/tests/test_callback.py
+++ b/numpy/f2py/tests/test_callback.py
@@ -116,7 +116,7 @@ cf2py  intent(out) a
         r = t(self.module.func0._cpointer)
         assert_(r == 11, repr(r))
 
-        class A(object):
+        class A:
 
             def __call__(self):
                 return 7
diff --git a/numpy/f2py/tests/util.py b/numpy/f2py/tests/util.py
index c4fcea8d1..c430a6608 100644
--- a/numpy/f2py/tests/util.py
+++ b/numpy/f2py/tests/util.py
@@ -313,7 +313,7 @@ def build_module_distutils(source_files, config_code, module_name, **kw):
 #
 
 
-class F2PyTest(object):
+class F2PyTest:
     code = None
     sources = None
     options = []