diff --git a/auditwheel/condatools.py b/auditwheel/condatools.py
index 15ee2485..b289767b 100644
--- a/auditwheel/condatools.py
+++ b/auditwheel/condatools.py
@@ -12,20 +12,20 @@ class InCondaPkg(InTemporaryDirectory):
     def __init__(self, in_conda_pkg):
         """Initialize in-conda-package context manager"""
         self.in_conda_pkg = os.path.abspath(in_conda_pkg)
-        super(InCondaPkg, self).__init__()
+        super().__init__()
 
     def __enter__(self):
         tarbz2todir(self.in_conda_pkg, self.name)
-        return super(InCondaPkg, self).__enter__()
+        return super().__enter__()
 
 
 class InCondaPkgCtx(InCondaPkg):
     def __init__(self, in_conda_pkg):
-        super(InCondaPkgCtx, self).__init__(in_conda_pkg)
+        super().__init__(in_conda_pkg)
         self.path = None
 
     def __enter__(self):
-        self.path = super(InCondaPkgCtx, self).__enter__()
+        self.path = super().__enter__()
         return self
 
     def iter_files(self):
diff --git a/auditwheel/tools.py b/auditwheel/tools.py
index cbb74698..b47657c8 100644
--- a/auditwheel/tools.py
+++ b/auditwheel/tools.py
@@ -125,7 +125,7 @@ def __init__(self, env, required=True, default=None, **kwargs):
                       '%(env)r (choose from %(choices)s)'
                 raise argparse.ArgumentError(self, msg % args)
 
-        super(EnvironmentDefault, self).__init__(
+        super().__init__(
             default=default,
             required=required,
             **kwargs
diff --git a/auditwheel/wheeltools.py b/auditwheel/wheeltools.py
index f8b4b677..0882c327 100644
--- a/auditwheel/wheeltools.py
+++ b/auditwheel/wheeltools.py
@@ -112,17 +112,17 @@ def __init__(self, in_wheel, out_wheel=None, ret_self=False):
         """
         self.in_wheel = abspath(in_wheel)
         self.out_wheel = None if out_wheel is None else abspath(out_wheel)
-        super(InWheel, self).__init__()
+        super().__init__()
 
     def __enter__(self):
         zip2dir(self.in_wheel, self.name)
-        return super(InWheel, self).__enter__()
+        return super().__enter__()
 
     def __exit__(self, exc, value, tb):
         if self.out_wheel is not None:
             rewrite_record(self.name)
             dir2zip(self.name, self.out_wheel)
-        return super(InWheel, self).__exit__(exc, value, tb)
+        return super().__exit__(exc, value, tb)
 
 
 class InWheelCtx(InWheel):
@@ -152,11 +152,11 @@ def __init__(self, in_wheel, out_wheel=None):
             filename of wheel to write after exiting.  If None, don't write and
             discard
         """
-        super(InWheelCtx, self).__init__(in_wheel, out_wheel)
+        super().__init__(in_wheel, out_wheel)
         self.path = None
 
     def __enter__(self):
-        self.path = super(InWheelCtx, self).__enter__()
+        self.path = super().__enter__()
         return self
 
     def iter_files(self):