diff --git a/configure.py b/configure.py
index 965ed23..786631e 100644
--- a/configure.py
+++ b/configure.py
@@ -29,12 +29,7 @@ def parse_args(argv=None):
     '''Parse the command-line options.'''
 
     parser = argparse.ArgumentParser(description='Styles to configure for a Qt application.')
-    parser.add_argument(
-        '-v',
-        '--version',
-        action='version',
-        version=f'%(prog)s {__version__}'
-    )
+    parser.add_argument('-v', '--version', action='version', version=f'%(prog)s {__version__}')
     parser.add_argument(
         '--styles',
         help='comma-separate list of styles to configure. pass `all` to build all themes',
@@ -68,12 +63,10 @@ def parse_args(argv=None):
             'Note: building for PyQt6 requires PySide6-rcc to be installed.'
         ),
         choices=['pyqt5', 'pyqt6', 'pyside2', 'pyside6'],
-        default='pyqt5'
+        default='pyqt5',
     )
     parser.add_argument(
-        '--clean',
-        help='clean dist directory prior to configuring themes.',
-        action='store_true'
+        '--clean', help='clean dist directory prior to configuring themes.', action='store_true'
     )
     parser.add_argument(
         '--rcc',
@@ -81,7 +74,7 @@ def parse_args(argv=None):
             'path to the rcc executable. '
             'Overrides rcc of chosen framework. '
             'Only use if system cannot find the rcc exe.'
-        )
+        ),
     )
     parser.add_argument(
         '--compiled-resource',
@@ -135,11 +128,13 @@ def read_template_dir(directory):
             # Need to find all the values inside the image.
             keys = re.findall(r'\^[0-9a-zA-Z_-]+\^', svg)
             replacements = [i[1:-1] for i in keys]
-        data['icons'].append({
-            'name': name,
-            'svg': svg,
-            'replacements': replacements,
-        })
+        data['icons'].append(
+            {
+                'name': name,
+                'svg': svg,
+                'replacements': replacements,
+            }
+        )
 
     return data
 
@@ -262,11 +257,11 @@ def replace_by_index(contents, theme, colors):
         # parse the color, get the correct value, and use only that
         # for the replacement.
         if key.endswith(':hex'):
-            color = theme[key[:-len(':hex')]]
+            color = theme[key[: -len(':hex')]]
             rgb = [f'{i:02x}' for i in parse_color(color)[:3]]
             value = f'#{"".join(rgb)}'
         elif key.endswith(':opacity'):
-            color = theme[key[:-len(':opacity')]]
+            color = theme[key[: -len(':opacity')]]
             value = str(parse_color(color)[3])
         else:
             value = theme[key]
@@ -384,7 +379,10 @@ def compile_resource(args):
             'Required rcc for PySide6 & PyQt6: PySide6-rcc',
             'Required rcc for PySide2: PySide2-rcc',
             '',
-            'if using venv, activate it or provide path to rcc.', sep='\n', file=sys.stderr)
+            'if using venv, activate it or provide path to rcc.',
+            sep='\n',
+            file=sys.stderr,
+        )
         raise SystemExit from error
 
     if args.qt_framework == 'pyqt6':
@@ -398,12 +396,7 @@ def configure(args):
         shutil.rmtree(args.output_dir, ignore_errors=True)
 
     # Need to convert our styles accordingly.
-    config = {
-        'themes': {},
-        'templates': [],
-        'no_qrc': args.no_qrc,
-        'resource': args.resource
-    }
+    config = {'themes': {}, 'templates': [], 'no_qrc': args.no_qrc, 'resource': args.resource}
     config['templates'].append(read_template_dir(template_dir))
     for style in args.styles:
         config['themes'][style] = load_json(f'{theme_dir}/{style}.json')
diff --git a/example/advanced-dock.py b/example/advanced-dock.py
index 1ecdf67..693f6cd 100644
--- a/example/advanced-dock.py
+++ b/example/advanced-dock.py
@@ -37,15 +37,13 @@
 
 parser = shared.create_parser()
 parser.add_argument(
-    '--use-internal',
-    help='''use the dock manager internal stylesheet.''',
-    action='store_true'
+    '--use-internal', help='''use the dock manager internal stylesheet.''', action='store_true'
 )
 # https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/blob/master/doc/user-guide.md#configuration-flags
 parser.add_argument(
     '--focus-highlighting',
     help='''use the focus highlighting (and other configuration flags).''',
-    action='store_true'
+    action='store_true',
 )
 # setConfigFlag
 args, unknown = shared.parse_args(parser)
diff --git a/example/branchless/application.py b/example/branchless/application.py
index 379bb71..94fbeef 100644
--- a/example/branchless/application.py
+++ b/example/branchless/application.py
@@ -77,18 +77,9 @@ def main():
     # setup ui
     ui = widgets.Ui()
     ui.setup(window)
-    ui.bt_delay_popup.addActions([
-        ui.actionAction,
-        ui.actionAction_C
-    ])
-    ui.bt_instant_popup.addActions([
-        ui.actionAction,
-        ui.actionAction_C
-    ])
-    ui.bt_menu_button_popup.addActions([
-        ui.actionAction,
-        ui.actionAction_C
-    ])
+    ui.bt_delay_popup.addActions([ui.actionAction, ui.actionAction_C])
+    ui.bt_instant_popup.addActions([ui.actionAction, ui.actionAction_C])
+    ui.bt_menu_button_popup.addActions([ui.actionAction, ui.actionAction_C])
     window.setWindowTitle('Sample BreezeStyleSheets application.')
 
     # Add event triggers
diff --git a/example/breeze_theme.py b/example/breeze_theme.py
index 6784909..bd95085 100644
--- a/example/breeze_theme.py
+++ b/example/breeze_theme.py
@@ -104,7 +104,8 @@ def is_light_color(r: int, g: int, b: int) -> bool:
     Returns:
         If the color is perceived as light.
     '''
-    return (((5 * g) + (2 * r) + b) > (8 * 128))
+    return ((5 * g) + (2 * r) + b) > (8 * 128)
+
 
 # region windows
 
@@ -390,6 +391,7 @@ def _listen_child_macos() -> None:
 
     class Observer(NSObject):
         '''Custom namespace key observer.'''
+
         def observeValueForKeyPath_ofObject_change_context_(  # pylint: disable=invalid-name
             self, path, obj, changeDescription, context
         ):
@@ -502,6 +504,7 @@ def _listener_dummy(callback: CallbackFn) -> None:
     '''Register an event listener for dark/light theme changes (always unimplemented).'''
     _ = callback
 
+
 # endregion
 
 
diff --git a/example/dial.py b/example/dial.py
index ae194d8..3a385cb 100644
--- a/example/dial.py
+++ b/example/dial.py
@@ -38,9 +38,7 @@
 
 parser = shared.create_parser()
 parser.add_argument(
-    '--no-align',
-    help='''allow larger widgets without forcing alignment.''',
-    action='store_true'
+    '--no-align', help='''allow larger widgets without forcing alignment.''', action='store_true'
 )
 args, unknown = shared.parse_args(parser)
 QtCore, QtGui, QtWidgets = shared.import_qt(args)
diff --git a/example/lcd.py b/example/lcd.py
index 990a2d1..98a2ad7 100644
--- a/example/lcd.py
+++ b/example/lcd.py
@@ -37,9 +37,7 @@
 
 parser = shared.create_parser()
 parser.add_argument(
-    '--no-align',
-    help='''allow larger widgets without forcing alignment.''',
-    action='store_true'
+    '--no-align', help='''allow larger widgets without forcing alignment.''', action='store_true'
 )
 args, unknown = shared.parse_args(parser)
 QtCore, QtGui, QtWidgets = shared.import_qt(args)
diff --git a/example/placeholder_text.py b/example/placeholder_text.py
index fc1fc87..a1cec31 100644
--- a/example/placeholder_text.py
+++ b/example/placeholder_text.py
@@ -41,14 +41,12 @@
 
 parser = shared.create_parser()
 parser.add_argument(
-    '--set-app-palette',
-    help='''set the placeholder text palette globally.''',
-    action='store_true'
+    '--set-app-palette', help='''set the placeholder text palette globally.''', action='store_true'
 )
 parser.add_argument(
     '--set-widget-palette',
     help='''set the placeholder text palette for the affected widgets.''',
-    action='store_true'
+    action='store_true',
 )
 args, unknown = shared.parse_args(parser)
 QtCore, QtGui, QtWidgets = shared.import_qt(args)
diff --git a/example/shared.py b/example/shared.py
index 03c0134..a3a24a7 100644
--- a/example/shared.py
+++ b/example/shared.py
@@ -22,9 +22,7 @@
 def create_parser():
     '''Create an argparser with the base settings for all Qt applications.'''
 
-    parser = argparse.ArgumentParser(
-        description='Configurations for the Qt5 application.'
-    )
+    parser = argparse.ArgumentParser(description='Configurations for the Qt5 application.')
     parser.add_argument(
         '--stylesheet',
         help='stylesheet name (`dark`, `light`, `native`, `auto`, ...)',
@@ -38,16 +36,8 @@ def create_parser():
         help='application style (`Fusion`, `Windows`, `native`, ...)',
         default='native',
     )
-    parser.add_argument(
-        '--font-size',
-        help='font size for the application',
-        type=float,
-        default=-1
-    )
-    parser.add_argument(
-        '--font-family',
-        help='the font family'
-    )
+    parser.add_argument('--font-size', help='font size for the application', type=float, default=-1)
+    parser.add_argument('--font-family', help='the font family')
     parser.add_argument(
         '--scale',
         help='scale factor for the UI',
@@ -61,14 +51,10 @@ def create_parser():
             'Note: building for PyQt6 requires PySide6-rcc to be installed.'
         ),
         choices=['pyqt5', 'pyqt6', 'pyside2', 'pyside6'],
-        default='pyqt5'
+        default='pyqt5',
     )
     # Linux or Unix-like only.
-    parser.add_argument(
-        '--use-x11',
-        help='force the use of x11 on compatible systems.',
-        action='store_true'
-    )
+    parser.add_argument('--use-x11', help='force the use of x11 on compatible systems.', action='store_true')
 
     return parser
 
diff --git a/example/standard_icons.py b/example/standard_icons.py
index f36e5bc..b00db10 100644
--- a/example/standard_icons.py
+++ b/example/standard_icons.py
@@ -106,22 +106,26 @@ def setup(self, MainWindow):  # pylint: disable=too-many-statements
         self.tool_box.addItem(self.page1, 'Overwritten Icons')
         self.layout.addWidget(self.tool_box)
 
-        add_standard_buttons(self, self.page1, [
-            'SP_ArrowLeft',
-            'SP_ArrowDown',
-            'SP_ArrowRight',
-            'SP_ArrowUp',
-            'SP_DockWidgetCloseButton',
-            'SP_DialogCancelButton',
-            'SP_DialogCloseButton',
-            'SP_DialogDiscardButton',
-            'SP_DialogHelpButton',
-            'SP_DialogNoButton',
-            'SP_DialogOkButton',
-            'SP_DialogOpenButton',
-            'SP_DialogResetButton',
-            'SP_DialogSaveButton',
-        ])
+        add_standard_buttons(
+            self,
+            self.page1,
+            [
+                'SP_ArrowLeft',
+                'SP_ArrowDown',
+                'SP_ArrowRight',
+                'SP_ArrowUp',
+                'SP_DockWidgetCloseButton',
+                'SP_DialogCancelButton',
+                'SP_DialogCloseButton',
+                'SP_DialogDiscardButton',
+                'SP_DialogHelpButton',
+                'SP_DialogNoButton',
+                'SP_DialogOkButton',
+                'SP_DialogOpenButton',
+                'SP_DialogResetButton',
+                'SP_DialogSaveButton',
+            ],
+        )
 
         self.page2 = QtWidgets.QListWidget()
         self.tool_box.addItem(self.page2, 'Default Icons')
diff --git a/example/titlebar.py b/example/titlebar.py
index 18f3eda..95db87b 100644
--- a/example/titlebar.py
+++ b/example/titlebar.py
@@ -289,6 +289,7 @@ def size_less(x, y):
     '''Compare 2 sizes, determining if any bounds of x are less than y.'''
     return x.width() < y.width() or x.height() < y.height()
 
+
 # UI WIDGETS
 # These are just to populate the views: these could be anything.
 
@@ -431,6 +432,7 @@ def launch_fontdialog(self, edit):
         if ok:
             edit.setText(font.family())
 
+
 # RESIZE HELPERS
 
 
@@ -638,6 +640,7 @@ def end_frame(self, window_type):
     '''End the window frame resize state.'''
     setattr(self, f'_{window_type}_frame', None)
 
+
 # EVENT HANDLES
 
 
@@ -727,6 +730,7 @@ def window_mouse_release_event(self, event, window, window_type):
     end_drag(window, window_type)
     return super(type(self), self).mouseReleaseEvent(event)
 
+
 # WINDOW WIDGETS
 
 
@@ -852,14 +856,16 @@ def __init__(self, window, parent=None, flags=None):  # pylint: disable=(too-man
         self._top_action.toggled.connect(self.toggle_keep_above)
         self._close_action = action('&Close', self, close_icon(self))
         self._close_action.triggered.connect(self._window.close)
-        self._main_menu.addActions([
-            self._restore_action,
-            self._move_action,
-            self._size_action,
-            self._min_action,
-            self._max_action,
-            self._top_action,
-        ])
+        self._main_menu.addActions(
+            [
+                self._restore_action,
+                self._move_action,
+                self._size_action,
+                self._min_action,
+                self._max_action,
+                self._top_action,
+            ]
+        )
         self._main_menu.addSeparator()
         self._main_menu.addAction(self._close_action)
         self._menu.setMenu(self._main_menu)
@@ -1253,73 +1259,73 @@ def is_active(self):
     def is_on_top(self, pos, rect):
         '''Determine if the cursor is on the top of the widget.'''
         return (
-            pos.x() >= rect.x() + self._border_width and
-            pos.x() <= rect.x() + rect.width() - self._border_width and
-            pos.y() >= rect.y() and
-            pos.y() <= rect.y() + self._border_width
+            pos.x() >= rect.x() + self._border_width
+            and pos.x() <= rect.x() + rect.width() - self._border_width
+            and pos.y() >= rect.y()
+            and pos.y() <= rect.y() + self._border_width
         )
 
     def is_on_bottom(self, pos, rect):
         '''Determine if the cursor is on the bottom of the widget.'''
         return (
-            pos.x() >= rect.x() + self._border_width and
-            pos.x() <= rect.x() + rect.width() - self._border_width and
-            pos.y() >= rect.y() + rect.height() - self._border_width and
-            pos.y() <= rect.y() + rect.height()
+            pos.x() >= rect.x() + self._border_width
+            and pos.x() <= rect.x() + rect.width() - self._border_width
+            and pos.y() >= rect.y() + rect.height() - self._border_width
+            and pos.y() <= rect.y() + rect.height()
         )
 
     def is_on_left(self, pos, rect):
         '''Determine if the cursor is on the left of the widget.'''
         return (
-            pos.x() >= rect.x() - self._border_width and
-            pos.x() <= rect.x() + self._border_width and
-            pos.y() >= rect.y() + self._border_width and
-            pos.y() <= rect.y() + rect.height() - self._border_width
+            pos.x() >= rect.x() - self._border_width
+            and pos.x() <= rect.x() + self._border_width
+            and pos.y() >= rect.y() + self._border_width
+            and pos.y() <= rect.y() + rect.height() - self._border_width
         )
 
     def is_on_right(self, pos, rect):
         '''Determine if the cursor is on the right of the widget.'''
         return (
-            pos.x() >= rect.x() + rect.width() - self._border_width and
-            pos.x() <= rect.x() + rect.width() and
-            pos.y() >= rect.y() + self._border_width and
-            pos.y() <= rect.y() + rect.height() - self._border_width
+            pos.x() >= rect.x() + rect.width() - self._border_width
+            and pos.x() <= rect.x() + rect.width()
+            and pos.y() >= rect.y() + self._border_width
+            and pos.y() <= rect.y() + rect.height() - self._border_width
         )
 
     def is_on_top_left(self, pos, rect):
         '''Determine if the cursor is on the top left of the widget.'''
         return (
-            pos.x() >= rect.x() and
-            pos.x() <= rect.x() + self._border_width and
-            pos.y() >= rect.y() and
-            pos.y() <= rect.y() + self._border_width
+            pos.x() >= rect.x()
+            and pos.x() <= rect.x() + self._border_width
+            and pos.y() >= rect.y()
+            and pos.y() <= rect.y() + self._border_width
         )
 
     def is_on_top_right(self, pos, rect):
         '''Determine if the cursor is on the top right of the widget.'''
         return (
-            pos.x() >= rect.x() + rect.width() - self._border_width and
-            pos.x() <= rect.x() + rect.width() and
-            pos.y() >= rect.y() and
-            pos.y() <= rect.y() + self._border_width
+            pos.x() >= rect.x() + rect.width() - self._border_width
+            and pos.x() <= rect.x() + rect.width()
+            and pos.y() >= rect.y()
+            and pos.y() <= rect.y() + self._border_width
         )
 
     def is_on_bottom_left(self, pos, rect):
         '''Determine if the cursor is on the bottom left of the widget.'''
         return (
-            pos.x() >= rect.x() and
-            pos.x() <= rect.x() + self._border_width and
-            pos.y() >= rect.y() + rect.height() - self._border_width and
-            pos.y() <= rect.y() + rect.height()
+            pos.x() >= rect.x()
+            and pos.x() <= rect.x() + self._border_width
+            and pos.y() >= rect.y() + rect.height() - self._border_width
+            and pos.y() <= rect.y() + rect.height()
         )
 
     def is_on_bottom_right(self, pos, rect):
         '''Determine if the cursor is on the bottom right of the widget.'''
         return (
-            pos.x() >= rect.x() + rect.width() - self._border_width and
-            pos.x() <= rect.x() + rect.width() and
-            pos.y() >= rect.y() + rect.height() - self._border_width and
-            pos.y() <= rect.y() + rect.height()
+            pos.x() >= rect.x() + rect.width() - self._border_width
+            and pos.x() <= rect.x() + rect.width()
+            and pos.y() >= rect.y() + rect.height() - self._border_width
+            and pos.y() <= rect.y() + rect.height()
         )
 
     def cursor_position(self, pos, rect):  # pylint: disable=too-many-return-statements)
diff --git a/example/url.py b/example/url.py
index 0670e2b..4256744 100644
--- a/example/url.py
+++ b/example/url.py
@@ -38,14 +38,12 @@
 
 parser = shared.create_parser()
 parser.add_argument(
-    '--set-app-palette',
-    help='''set the placeholder text palette globally.''',
-    action='store_true'
+    '--set-app-palette', help='''set the placeholder text palette globally.''', action='store_true'
 )
 parser.add_argument(
     '--set-widget-palette',
     help='''set the placeholder text palette for the affected widgets.''',
-    action='store_true'
+    action='store_true',
 )
 args, unknown = shared.parse_args(parser)
 QtCore, QtGui, QtWidgets = shared.import_qt(args)
diff --git a/example/widgets.py b/example/widgets.py
index 5f0b931..3705b3d 100644
--- a/example/widgets.py
+++ b/example/widgets.py
@@ -527,18 +527,9 @@ def main():
     # setup ui
     ui = Ui()
     ui.setup(window)
-    ui.bt_delay_popup.addActions([
-        ui.actionAction,
-        ui.actionAction_C
-    ])
-    ui.bt_instant_popup.addActions([
-        ui.actionAction,
-        ui.actionAction_C
-    ])
-    ui.bt_menu_button_popup.addActions([
-        ui.actionAction,
-        ui.actionAction_C
-    ])
+    ui.bt_delay_popup.addActions([ui.actionAction, ui.actionAction_C])
+    ui.bt_instant_popup.addActions([ui.actionAction, ui.actionAction_C])
+    ui.bt_menu_button_popup.addActions([ui.actionAction, ui.actionAction_C])
     window.setWindowTitle('Sample BreezeStyleSheets application.')
 
     # Add event triggers
diff --git a/scripts/fmt.sh b/scripts/fmt.sh
index 05ec486..8a8cda6 100755
--- a/scripts/fmt.sh
+++ b/scripts/fmt.sh
@@ -1,14 +1,14 @@
 #!/usr/bin/env bash
 #
 # Run our automatic code formatters.
+#
+# This requires black and isort to be installed.
 
 set -eux pipefail
 
 scripts_home="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
 project_home="$(dirname "${scripts_home}")"
-cd "${project_home}/example"
+cd "${project_home}"
 
-if [[ ! -v PYTHON ]]; then
-    PYTHON=python
-fi
-# TODO: Here, use black
\ No newline at end of file
+isort ./*.py example/*.py example/**/*.py
+black --config pyproject.toml example/ ./*.py
\ No newline at end of file
diff --git a/scripts/lint.sh b/scripts/lint.sh
index 9ebb727..2793f1a 100755
--- a/scripts/lint.sh
+++ b/scripts/lint.sh
@@ -10,9 +10,6 @@ project_home="$(dirname "${scripts_home}")"
 cd "${project_home}"
 
 # run our python lint checks
-if [[ ! -v PYTHON ]]; then
-    PYTHON=python
-fi
 pylint ./*.py example/*.py example/**/*.py
 pyright example/breeze_theme.py
 flake8
diff --git a/vcs.py b/vcs.py
index eeccca2..2a747b2 100644
--- a/vcs.py
+++ b/vcs.py
@@ -233,12 +233,7 @@ def parse_args(argv=None):
     '''Parse the command-line options.'''
 
     parser = argparse.ArgumentParser(description='Git configuration changes.')
-    parser.add_argument(
-        '-v',
-        '--version',
-        action='version',
-        version=f'%(prog)s {__version__}'
-    )
+    parser.add_argument('-v', '--version', action='version', version=f'%(prog)s {__version__}')
     dist = parser.add_mutually_exclusive_group()
     dist.add_argument(
         '--track-dist',
@@ -284,23 +279,27 @@ def call(command, ignore_errors=True):
 def assume_unchanged(git, file):
     '''Assume a version-controlled file is unchanged.'''
 
-    return call([
-        git,
-        'update-index',
-        '--assume-unchanged',
-        file,
-    ])
+    return call(
+        [
+            git,
+            'update-index',
+            '--assume-unchanged',
+            file,
+        ]
+    )
 
 
 def no_assume_unchanged(git, file):
     '''No longer assume a version-controlled file is unchanged.'''
 
-    return call([
-        git,
-        'update-index',
-        '--no-assume-unchanged',
-        file,
-    ])
+    return call(
+        [
+            git,
+            'update-index',
+            '--no-assume-unchanged',
+            file,
+        ]
+    )
 
 
 def write_gitignore(entries):