Run pyupgrade to update the codebase to python 3.9

Gets rid of a lot of typing ugliness by using type annotations on
builtin types

kitty/tab_bar.py

@@ -3,17 +3,14 @@
 
 import os
 import re
+from collections.abc import Sequence
 from functools import lru_cache, partial, wraps
 from string import Formatter as StringFormatter
 from typing import (
     Any,
     Callable,
-    Dict,
-    List,
     NamedTuple,
     Optional,
-    Sequence,
-    Tuple,
 )
 
 from .borders import Border, BorderColor
@@ -93,12 +90,12 @@ def as_rgb(x: int) -> int:
     return (x << 8) | 2
 
 
-@lru_cache()
+@lru_cache
 def report_template_failure(template: str, e: str) -> None:
     log_error(f'Invalid tab title template: "{template}" with error: {e}')
 
 
-@lru_cache()
+@lru_cache
 def compile_template(template: str) -> Any:
     try:
         return compile('f"""' + template + '"""', '<template>', 'eval')
@@ -142,7 +139,7 @@ class Formatter:
 
 
 @run_once
-def super_sub_maps() -> Tuple[Dict[int, int], Dict[int, int]]:
+def super_sub_maps() -> tuple[dict[int, int], dict[int, int]]:
     import string
     sup_table = str.maketrans(
         string.ascii_lowercase + string.ascii_uppercase + string.digits + '+-=()',
@@ -155,7 +152,7 @@ def super_sub_maps() -> Tuple[Dict[int, int], Dict[int, int]]:
 
 class SupSub:
 
-    def __init__(self, data: Dict[str, Any], is_subscript: bool = False):
+    def __init__(self, data: dict[str, Any], is_subscript: bool = False):
         self.__data = data
         self.__is_subscript = is_subscript
 
@@ -384,7 +381,7 @@ def draw_tab_with_fade(
     return end
 
 
-powerline_symbols: Dict[PowerlineStyle, Tuple[str, str]] = {
+powerline_symbols: dict[PowerlineStyle, tuple[str, str]] = {
     'slanted': ('', '╱'),
     'round': ('', '')
 }
@@ -480,8 +477,8 @@ class TabBar:
         self.os_window_id = os_window_id
         self.num_tabs = 1
         self.data_buffer_size = 0
-        self.blank_rects: Tuple[Border, ...] = ()
-        self.cell_ranges: List[Tuple[int, int]] = []
+        self.blank_rects: tuple[Border, ...] = ()
+        self.cell_ranges: list[tuple[int, int]] = []
         self.laid_out_once = False
         self.apply_options()
 
@@ -539,7 +536,7 @@ class TabBar:
         else:
             self.align = lambda: None
 
-    def patch_colors(self, spec: Dict[str, Optional[int]]) -> None:
+    def patch_colors(self, spec: dict[str, Optional[int]]) -> None:
         opts = get_options()
         atf = spec.get('active_tab_foreground')
         if isinstance(atf, int):
@@ -576,7 +573,7 @@ class TabBar:
         self.screen.color_profile.default_bg = color_from_int(bg)
 
     @property
-    def current_colors(self) -> Dict[str, Color]:
+    def current_colors(self) -> dict[str, Color]:
         return {
             'active_tab_foreground': self.draw_data.active_fg,
             'inactive_tab_foreground': self.draw_data.inactive_fg,
@@ -587,7 +584,7 @@ class TabBar:
 
     def update_blank_rects(self, central: Region, tab_bar: Region, vw: int, vh: int) -> None:
         opts = get_options()
-        blank_rects: List[Border] = []
+        blank_rects: list[Border] = []
         bg = BorderColor.tab_bar_margin_color if opts.tab_bar_margin_color is not None else BorderColor.default_bg
         if opts.tab_bar_margin_height:
             if opts.tab_bar_edge == 3:  # bottom
@@ -635,7 +632,7 @@ class TabBar:
         last_tab = data[-1] if data else None
         ed = ExtraData()
 
-        def draw_tab(i: int, tab: TabBarData, cell_ranges: List[Tuple[int, int]], max_tab_length: int) -> None:
+        def draw_tab(i: int, tab: TabBarData, cell_ranges: list[tuple[int, int]], max_tab_length: int) -> None:
             ed.prev_tab = data[i - 1] if i > 0 else None
             ed.next_tab = data[i + 1] if i + 1 < len(data) else None
             s.cursor.bg = as_rgb(self.draw_data.tab_bg(t))
@@ -684,7 +681,7 @@ class TabBar:
 
         s.cursor.x = 0
         s.erase_in_line(2, False)
-        cr: List[Tuple[int, int]] = []
+        cr: list[tuple[int, int]] = []
         ed.for_layout = False
         for i, t in enumerate(data):
             try: