pin black

.github/workflows/black_format.yml

@@ -17,6 +17,6 @@ jobs:
         with:
           python-version: 3.11
       - name: Install black
-        run: python -m pip install black
+        run: python -m pip install black==24.1.1
       - name: Run black
         run: black --check src

pyproject.toml

@@ -53,7 +53,7 @@ syntax = ["tree-sitter", "tree_sitter_languages"]
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.1.3"
-black = "^23.1.0"
+black = "24.1.1"
 mypy = "^1.0.0"
 pytest-cov = "^2.12.1"
 mkdocs = "^1.3.0"

src/textual/_styles_cache.py

@@ -347,9 +347,11 @@ class StylesCache:
                         if label_color.a
                         else None
                     ),
-                    (base_label_background + label_background).rich_color
-                    if label_background.a
-                    else None,
+                    (
+                        (base_label_background + label_background).rich_color
+                        if label_background.a
+                        else None
+                    ),
                 )
                 render_label = (label, style)
             # Try to save time with expensive call to `render_border_label`:

src/textual/_work_decorator.py

@@ -2,7 +2,6 @@
 A decorator used to create [workers](/guide/workers).
 """
 
-
 from __future__ import annotations
 
 from functools import partial, wraps
@@ -76,9 +75,11 @@ def work(
 
 
 def work(
-    method: Callable[FactoryParamSpec, ReturnType]
-    | Callable[FactoryParamSpec, Coroutine[None, None, ReturnType]]
-    | None = None,
+    method: (
+        Callable[FactoryParamSpec, ReturnType]
+        | Callable[FactoryParamSpec, Coroutine[None, None, ReturnType]]
+        | None
+    ) = None,
     *,
     name: str = "",
     group: str = "default",

src/textual/_worker_manager.py

@@ -4,7 +4,6 @@ A class to manage [workers](/guide/workers) for an app.
 You access this object via [App.workers][textual.app.App.workers] or [Widget.workers][textual.dom.DOMNode.workers].
 """
 
-
 from __future__ import annotations
 
 import asyncio

src/textual/binding.py

@@ -5,7 +5,6 @@ A binding maps a key press on to an action.
 See [bindings](/guide/input#bindings) in the guide for details.
 """
 
-
 from __future__ import annotations
 
 from dataclasses import dataclass

src/textual/css/query.py

@@ -9,7 +9,6 @@ Additional methods apply actions to all nodes in the query.
     If this sounds like JQuery, a (once) popular JS library, it is no coincidence.
 """
 
-
 from __future__ import annotations
 
 from typing import TYPE_CHECKING, Generic, Iterable, Iterator, TypeVar, cast, overload

src/textual/dom.py

@@ -3,7 +3,6 @@ A DOMNode is a base class for any object within the Textual Document Object Mode
 which includes all Widgets, Screens, and Apps.
 """
 
-
 from __future__ import annotations
 
 import re

src/textual/lazy.py

@@ -2,7 +2,6 @@
 Tools for lazy loading widgets.
 """
 
-
 from __future__ import annotations
 
 from .widget import Widget

src/textual/logging.py

@@ -6,7 +6,6 @@ If there is an active Textual app, then log messages will go via the app (and lo
 If there is *no* active app, then log messages will go to stderr or stdout, depending on configuration.
 """
 
-
 import sys
 from logging import Handler, LogRecord
 

src/textual/message_pump.py

@@ -7,6 +7,7 @@ A `MessagePump` is a base class for any object which processes messages, which i
     Most of the method here are useful in general app development.
 
 """
+
 from __future__ import annotations
 
 import asyncio

src/textual/scrollbar.py

@@ -3,6 +3,7 @@ Implements the scrollbar-related widgets for internal use.
 
 You will not need to use the widgets defined in this module.
 """
+
 from __future__ import annotations
 
 from math import ceil
@@ -146,18 +147,22 @@ class ScrollBarRender:
                 if bar_character != " ":
                     segments[start_index] = _Segment(
                         bar_character * width_thickness,
-                        _Style(bgcolor=back, color=bar, meta=foreground_meta)
-                        if vertical
-                        else _Style(bgcolor=bar, color=back, meta=foreground_meta),
+                        (
+                            _Style(bgcolor=back, color=bar, meta=foreground_meta)
+                            if vertical
+                            else _Style(bgcolor=bar, color=back, meta=foreground_meta)
+                        ),
                     )
             if end_index < len(segments):
                 bar_character = bars[len_bars - 1 - end_bar]
                 if bar_character != " ":
                     segments[end_index] = _Segment(
                         bar_character * width_thickness,
-                        _Style(bgcolor=bar, color=back, meta=foreground_meta)
-                        if vertical
-                        else _Style(bgcolor=back, color=bar, meta=foreground_meta),
+                        (
+                            _Style(bgcolor=bar, color=back, meta=foreground_meta)
+                            if vertical
+                            else _Style(bgcolor=back, color=bar, meta=foreground_meta)
+                        ),
                     )
         else:
             style = _Style(bgcolor=back)

src/textual/strip.py

@@ -3,7 +3,6 @@ A Strip contains the result of rendering a widget.
 See [line API](/guide/widgets#line-api) for how to use Strips.
 """
 
-
 from __future__ import annotations
 
 from itertools import chain

src/textual/widgets/_selection_list.py

@@ -440,9 +440,11 @@ class SelectionList(Generic[SelectionType], OptionList):
 
     def _make_selection(
         self,
-        selection: Selection
-        | tuple[TextType, SelectionType]
-        | tuple[TextType, SelectionType, bool],
+        selection: (
+            Selection
+            | tuple[TextType, SelectionType]
+            | tuple[TextType, SelectionType, bool]
+        ),
     ) -> Selection[SelectionType]:
         """Turn incoming selection data into a `Selection` instance.
 
@@ -676,10 +678,12 @@ class SelectionList(Generic[SelectionType], OptionList):
 
     def add_option(
         self,
-        item: NewOptionListContent
-        | Selection
-        | tuple[TextType, SelectionType]
-        | tuple[TextType, SelectionType, bool] = None,
+        item: (
+            NewOptionListContent
+            | Selection
+            | tuple[TextType, SelectionType]
+            | tuple[TextType, SelectionType, bool]
+        ) = None,
     ) -> Self:
         """Add a new selection option to the end of the list.
 

src/textual/widgets/_tabbed_content.py

@@ -363,9 +363,11 @@ class TabbedContent(Widget):
         # Wrap content in a `TabPane` if required.
         pane_content = [
             self._set_id(
-                content
-                if isinstance(content, TabPane)
-                else TabPane(title or self.render_str(f"Tab {index}"), content),
+                (
+                    content
+                    if isinstance(content, TabPane)
+                    else TabPane(title or self.render_str(f"Tab {index}"), content)
+                ),
                 index,
             )
             for index, (title, content) in enumerate(