From 777a205bca64e1c929e7b0a35830a9cc45a40e3e Mon Sep 17 00:00:00 2001
From: Will McGugan <willmcgugan@gmail.com>
Date: Tue, 7 Feb 2023 18:28:05 +0000
Subject: [PATCH] trailing commans

---
 src/textual/_border.py | 96 +++++++++++++++++++++++++++++++++++-------
 1 file changed, 80 insertions(+), 16 deletions(-)

diff --git a/src/textual/_border.py b/src/textual/_border.py
index 9c521fab6..b6052cc8c 100644
--- a/src/textual/_border.py
+++ b/src/textual/_border.py
@@ -21,22 +21,86 @@ BORDER_CHARS: dict[
 ] = {
     # Three tuples for the top, middle, and bottom rows.
     # The sub-tuples are the characters for the left, center, and right borders.
-    "": ((" ", " ", "  "), (" ", " ", " "), (" ", " ", " ")),
-    "ascii": (("+", "-", "+"), ("|", " ", "|"), ("+", "-", "+")),
-    "none": ((" ", " ", " "), (" ", " ", " "), (" ", " ", " ")),
-    "hidden": ((" ", " ", " "), (" ", " ", " "), (" ", " ", " ")),
-    "blank": ((" ", " ", " "), (" ", " ", " "), (" ", " ", " ")),
-    "round": (("╭", "─", "╮"), ("│", " ", "│"), ("╰", "─", "╯")),
-    "solid": (("┌", "─", "┐"), ("│", " ", "│"), ("└", "─", "┘")),
-    "double": (("╔", "═", "╗"), ("║", " ", "║"), ("╚", "═", "╝")),
-    "dashed": (("┏", "╍", "┓"), ("╏", " ", "╏"), ("┗", "╍", "┛")),
-    "heavy": (("┏", "━", "┓"), ("┃", " ", "┃"), ("┗", "━", "┛")),
-    "inner": (("▗", "▄", "▖"), ("▐", " ", "▌"), ("▝", "▀", "▘")),
-    "outer": (("▛", "▀", "▜"), ("▌", " ", "▐"), ("▙", "▄", "▟")),
-    "hkey": (("▔", "▔", "▔"), (" ", " ", " "), ("▁", "▁", "▁")),
-    "vkey": (("▏", " ", "▕"), ("▏", " ", "▕"), ("▏", " ", "▕")),
-    "tall": (("▊", "▔", "▎"), ("▊", " ", "▎"), ("▊", "▁", "▎")),
-    "wide": (("▁", "▁", "▁"), ("▎", " ", "▋"), ("▔", "▔", "▔")),
+    "": (
+        (" ", " ", "  "),
+        (" ", " ", " "),
+        (" ", " ", " "),
+    ),
+    "ascii": (
+        ("+", "-", "+"),
+        ("|", " ", "|"),
+        ("+", "-", "+"),
+    ),
+    "none": (
+        (" ", " ", " "),
+        (" ", " ", " "),
+        (" ", " ", " "),
+    ),
+    "hidden": (
+        (" ", " ", " "),
+        (" ", " ", " "),
+        (" ", " ", " "),
+    ),
+    "blank": (
+        (" ", " ", " "),
+        (" ", " ", " "),
+        (" ", " ", " "),
+    ),
+    "round": (
+        ("╭", "─", "╮"),
+        ("│", " ", "│"),
+        ("╰", "─", "╯"),
+    ),
+    "solid": (
+        ("┌", "─", "┐"),
+        ("│", " ", "│"),
+        ("└", "─", "┘"),
+    ),
+    "double": (
+        ("╔", "═", "╗"),
+        ("║", " ", "║"),
+        ("╚", "═", "╝"),
+    ),
+    "dashed": (
+        ("┏", "╍", "┓"),
+        ("╏", " ", "╏"),
+        ("┗", "╍", "┛"),
+    ),
+    "heavy": (
+        ("┏", "━", "┓"),
+        ("┃", " ", "┃"),
+        ("┗", "━", "┛"),
+    ),
+    "inner": (
+        ("▗", "▄", "▖"),
+        ("▐", " ", "▌"),
+        ("▝", "▀", "▘"),
+    ),
+    "outer": (
+        ("▛", "▀", "▜"),
+        ("▌", " ", "▐"),
+        ("▙", "▄", "▟"),
+    ),
+    "hkey": (
+        ("▔", "▔", "▔"),
+        (" ", " ", " "),
+        ("▁", "▁", "▁"),
+    ),
+    "vkey": (
+        ("▏", " ", "▕"),
+        ("▏", " ", "▕"),
+        ("▏", " ", "▕"),
+    ),
+    "tall": (
+        ("▊", "▔", "▎"),
+        ("▊", " ", "▎"),
+        ("▊", "▁", "▎"),
+    ),
+    "wide": (
+        ("▁", "▁", "▁"),
+        ("▎", " ", "▋"),
+        ("▔", "▔", "▔"),
+    ),
 }
 
 # Some of the borders are on the widget background and some are on the background of the parent