Remove unnecessary use of 'object' in class construction

Considering we are not compatible with Python 2 anymore,
we can drop the 'object' explicit inheritance in the class
declaration.

Pick-to: 6.8
Change-Id: Iac3a95aa9721c3ff1a755f457c0936ca157a8470
Reviewed-by: Shyamnath Premnadh <[email protected]>
Reviewed-by: Friedemann Kleint <[email protected]>

Author: cmaureir

build_scripts/build_info_collector.py

@@ -130,7 +130,7 @@ def get_py_library(build_type, py_version, py_prefix, py_libdir, py_include_dir)
     return py_library
 
 
-class BuildInfoCollectorMixin(object):
+class BuildInfoCollectorMixin:
     build_base: str
     build_lib: str
     cmake: str

build_scripts/config.py

@@ -17,7 +17,7 @@
     import tomli as tomllib
 
 
-class Config(object, metaclass=Singleton):
+class Config(metaclass=Singleton):
     def __init__(self):
         # Constants
         self._build_type_all = "all"

build_scripts/options.py

@@ -41,7 +41,7 @@ def _warn_deprecated_option(option, replacement=None):
     log.warning(w)
 
 
-class Options(object, metaclass=Singleton):
+class Options(metaclass=Singleton):
     def __init__(self):
 
         # Dictionary containing values of all the possible options.
@@ -181,7 +181,7 @@ def resolve(self):
         }
 
 
-class CommandMixin(object):
+class CommandMixin:
     """Mixin for the setuptools build/install commands handling the options."""
 
     _static_class_finalized_once = False

build_scripts/qtinfo.py

@@ -10,7 +10,7 @@
                     platform_cmake_options)
 
 
-class QtInfo(object):
+class QtInfo:
     _instance = None  # singleton helpers
 
     def __new__(cls):  # __new__ always a classmethod

build_scripts/setup_runner.py

@@ -19,7 +19,7 @@
 from build_scripts.log import log, LogLevel
 
 
-class SetupRunner(object):
+class SetupRunner:
     def __init__(self, orig_argv):
         self.invocations_list = []
 

examples/widgets/itemviews/stardelegate/starrating.py

@@ -12,7 +12,7 @@
 PAINTING_SCALE_FACTOR = 20
 
 
-class StarRating(object):
+class StarRating:
     """ Handle the actual painting of the stars themselves. """
 
     def __init__(self, starCount=1, maxStarCount=5):

examples/widgets/tutorials/addressbook/part2.py

@@ -13,7 +13,7 @@
 
 
 class SortedDict(dict):
-    class Iterator(object):
+    class Iterator:
         def __init__(self, sorted_dict):
             self._dict = sorted_dict
             self._keys = sorted(self._dict.keys())

examples/widgets/tutorials/addressbook/part3.py

@@ -13,7 +13,7 @@
 
 
 class SortedDict(dict):
-    class Iterator(object):
+    class Iterator:
         def __init__(self, sorted_dict):
             self._dict = sorted_dict
             self._keys = sorted(self._dict.keys())

examples/widgets/tutorials/addressbook/part4.py

@@ -13,7 +13,7 @@
 
 
 class SortedDict(dict):
-    class Iterator(object):
+    class Iterator:
         def __init__(self, sorted_dict):
             self._dict = sorted_dict
             self._keys = sorted(self._dict.keys())

examples/widgets/tutorials/addressbook/part5.py

@@ -13,7 +13,7 @@
 
 
 class SortedDict(dict):
-    class Iterator(object):
+    class Iterator:
         def __init__(self, sorted_dict):
             self._dict = sorted_dict
             self._keys = sorted(self._dict.keys())