*: pylint: Don't inherit from 'object'

- This was required in Python 2 but useless in Python 3.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>

plinth/action_utils.py

@@ -207,7 +207,7 @@ def webserver_disable(name, kind='config', apply_changes=True):
     return action_required
 
 
-class WebserverChange(object):
+class WebserverChange:
     """Context to restart/reload Apache after configuration changes."""
 
     def __init__(self):

plinth/modules/config/tests/test_config.py

@@ -120,7 +120,7 @@ def test_homepage_mapping_skip_ci():
     assert _home_page_scid2url(uws_scid) is None
 
 
-class Dict2Obj(object):
+class Dict2Obj:
     """Mock object made out of any dict."""
 
     def __init__(self, a_dict):

plinth/modules/users/views.py

@@ -24,7 +24,7 @@ from .forms import (CreateUserForm, FirstBootForm, UserChangePasswordForm,
                     UserUpdateForm)
 
 
-class ContextMixin(object):
+class ContextMixin:
     """Mixin to add 'title' to the template context."""
 
     def get_context_data(self, **kwargs):

plinth/package.py

@@ -252,7 +252,7 @@ class PackageException(Exception):
             .format(self.error_string, self.error_details)
 
 
-class Transaction(object):
+class Transaction:
     """Information about an ongoing transaction."""
 
     def __init__(self, module_name, package_names):

plinth/setup.py

@@ -28,7 +28,7 @@ _is_shutting_down = False
 _force_upgrader = None
 
 
-class Helper(object):
+class Helper:
     """Helper routines for modules to show progress."""
 
     def __init__(self, module_name, module):

plinth/utils.py

@@ -89,7 +89,7 @@ def is_user_admin(request, cached=False):
     return user_is_admin
 
 
-class YAMLFile(object):
+class YAMLFile:
     """A context management class for updating YAML files"""
 
     def __init__(self, yaml_file):